Search a number
-
+
1210633253 is a prime number
BaseRepresentation
bin100100000101000…
…1100110000100101
310010101000112121122
41020022030300211
54434410231003
6320044023325
742000133004
oct11012146045
93111015548
101210633253
11571409755
12299531b45
13163a7834b
14b6adac3b
157143b238
hex4828cc25

1210633253 has 2 divisors, whose sum is σ = 1210633254. Its totient is φ = 1210633252.

The previous prime is 1210633231. The next prime is 1210633271. The reversal of 1210633253 is 3523360121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814702849 + 395930404 = 28543^2 + 19898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1210633253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210633273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605316626 + 605316627.

It is an arithmetic number, because the mean of its divisors is an integer number (605316627).

Almost surely, 21210633253 is an apocalyptic number.

It is an amenable number.

1210633253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210633253 is an equidigital number, since it uses as much as digits as its factorization.

1210633253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1210633253 is about 34794.1554431200. The cubic root of 1210633253 is about 1065.7880985103.

Adding to 1210633253 its reverse (3523360121), we get a palindrome (4733993374).

The spelling of 1210633253 in words is "one billion, two hundred ten million, six hundred thirty-three thousand, two hundred fifty-three".