251232053 has 2 divisors, whose sum is σ = 251232054. Its totient is φ = 251232052.

The previous prime is 251232011. The next prime is 251232067. The reversal of 251232053 is 350232152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228402769 + 22829284 = 15113^2 + 4778^2 .

It is a cyclic number.

It is not a de Polignac number, because 251232053 - 2¹⁴ = 251215669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251232253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125616026 + 125616027.

It is an arithmetic number, because the mean of its divisors is an integer number (125616027).

Almost surely, 2^251232053 is an apocalyptic number.

It is an amenable number.

251232053 is a deficient number, since it is larger than the sum of its proper divisors (1).

251232053 is an equidigital number, since it uses as much as digits as its factorization.

251232053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 251232053 is about 15850.3013536021. The cubic root of 251232053 is about 630.9936892569.

Subtracting 251232053 from its reverse (350232152), we obtain a palindrome (99000099).

The spelling of 251232053 in words is "two hundred fifty-one million, two hundred thirty-two thousand, fifty-three".