252553057 has 4 divisors (see below), whose sum is σ = 252761796. Its totient is φ = 252344320.

The previous prime is 252553051. The next prime is 252553097. The reversal of 252553057 is 750355252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111323601 + 141229456 = 10551^2 + 11884^2 .

It is a cyclic number.

It is not a de Polignac number, because 252553057 - 2¹⁹ = 252028769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252553051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102544 + ... + 104977.

It is an arithmetic number, because the mean of its divisors is an integer number (63190449).

Almost surely, 2^252553057 is an apocalyptic number.

It is an amenable number.

252553057 is a deficient number, since it is larger than the sum of its proper divisors (208739).

252553057 is a wasteful number, since it uses less digits than its factorization.

252553057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208738.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 252553057 is about 15891.9179773871. The cubic root of 252553057 is about 632.0976997721.

The spelling of 252553057 in words is "two hundred fifty-two million, five hundred fifty-three thousand, fifty-seven".