253105252 has 6 divisors (see below), whose sum is σ = 442934198. Its totient is φ = 126552624.

The previous prime is 253105249. The next prime is 253105253. The reversal of 253105252 is 252501352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 194490916 + 58614336 = 13946^2 + 7656^2 .

It is not an unprimeable number, because it can be changed into a prime (253105253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31638153 + ... + 31638160.

Almost surely, 2^253105252 is an apocalyptic number.

It is an amenable number.

253105252 is a deficient number, since it is larger than the sum of its proper divisors (189828946).

253105252 is a wasteful number, since it uses less digits than its factorization.

253105252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63276317 (or 63276315 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 253105252 is about 15909.2819448271. The cubic root of 253105252 is about 632.5580480712.

The spelling of 253105252 in words is "two hundred fifty-three million, one hundred five thousand, two hundred fifty-two".