253292257 has 2 divisors, whose sum is σ = 253292258. Its totient is φ = 253292256.

The previous prime is 253292243. The next prime is 253292267. The reversal of 253292257 is 752292352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248346081 + 4946176 = 15759^2 + 2224^2 .

It is a cyclic number.

It is not a de Polignac number, because 253292257 - 2¹¹ = 253290209 is a prime.

It is not a weakly prime, because it can be changed into another prime (253292267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126646128 + 126646129.

It is an arithmetic number, because the mean of its divisors is an integer number (126646129).

Almost surely, 2^253292257 is an apocalyptic number.

It is an amenable number.

253292257 is a deficient number, since it is larger than the sum of its proper divisors (1).

253292257 is an equidigital number, since it uses as much as digits as its factorization.

253292257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 253292257 is about 15915.1580890672. The cubic root of 253292257 is about 632.7137967118.

The spelling of 253292257 in words is "two hundred fifty-three million, two hundred ninety-two thousand, two hundred fifty-seven".