Search a number
-
+
653250636541 is a prime number
BaseRepresentation
bin10011000000110001100…
…01011010101011111101
32022110011011022200011001
421200120301122223331
541200324130332131
61220033232130301
765124105536146
oct11403061325375
92273134280131
10653250636541
11232050a54a28
12a6730396991
13497a7cb7ab9
14238905c0acd
1511ed4cb4261
hex9818c5aafd

653250636541 has 2 divisors, whose sum is σ = 653250636542. Its totient is φ = 653250636540.

The previous prime is 653250636539. The next prime is 653250636581. The reversal of 653250636541 is 145636052356.

653250636541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 626891815225 + 26358821316 = 791765^2 + 162354^2 .

It is a cyclic number.

It is not a de Polignac number, because 653250636541 - 21 = 653250636539 is a prime.

Together with 653250636539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 653250636491 and 653250636500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653250636581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326625318270 + 326625318271.

It is an arithmetic number, because the mean of its divisors is an integer number (326625318271).

Almost surely, 2653250636541 is an apocalyptic number.

It is an amenable number.

653250636541 is a deficient number, since it is larger than the sum of its proper divisors (1).

653250636541 is an equidigital number, since it uses as much as digits as its factorization.

653250636541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 46.

Adding to 653250636541 its reverse (145636052356), we get a palindrome (798886688897).

The spelling of 653250636541 in words is "six hundred fifty-three billion, two hundred fifty million, six hundred thirty-six thousand, five hundred forty-one".