Search a number
-
+
250342541 is a prime number
BaseRepresentation
bin11101110101111…
…10110010001101
3122110001201101222
432322332302031
51003041430131
640501413125
76126606431
oct1672766215
9573051358
10250342541
11119348069
126ba0a1a5
133cb325a7
14253689c1
1516ea087b
hexeebec8d

250342541 has 2 divisors, whose sum is σ = 250342542. Its totient is φ = 250342540.

The previous prime is 250342523. The next prime is 250342549. The reversal of 250342541 is 145243052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134328100 + 116014441 = 11590^2 + 10771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-250342541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250342541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250342549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125171270 + 125171271.

It is an arithmetic number, because the mean of its divisors is an integer number (125171271).

Almost surely, 2250342541 is an apocalyptic number.

It is an amenable number.

250342541 is a deficient number, since it is larger than the sum of its proper divisors (1).

250342541 is an equidigital number, since it uses as much as digits as its factorization.

250342541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 250342541 is about 15822.2166904641. The cubic root of 250342541 is about 630.2481100521.

Adding to 250342541 its reverse (145243052), we get a palindrome (395585593).

The spelling of 250342541 in words is "two hundred fifty million, three hundred forty-two thousand, five hundred forty-one".