252295757 has 6 divisors (see below), whose sum is σ = 293486958. Its totient is φ = 216253464.

The previous prime is 252295727. The next prime is 252295777. The reversal of 252295757 is 757592252.

It can be written as a sum of positive squares in only one way, i.e., 251825161 + 470596 = 15869^2 + 686^2 .

It is not a de Polignac number, because 252295757 - 2¹² = 252291661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252295727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2574398 + ... + 2574495.

It is an arithmetic number, because the mean of its divisors is an integer number (48914493).

Almost surely, 2^252295757 is an apocalyptic number.

It is an amenable number.

252295757 is a deficient number, since it is larger than the sum of its proper divisors (41191201).

252295757 is an equidigital number, since it uses as much as digits as its factorization.

252295757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148907 (or 5148900 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The square root of 252295757 is about 15883.8206046278. The cubic root of 252295757 is about 631.8829673336.

The spelling of 252295757 in words is "two hundred fifty-two million, two hundred ninety-five thousand, seven hundred fifty-seven".