252750057 has 16 divisors (see below), whose sum is σ = 392411520. Its totient is φ = 141702912.

The previous prime is 252750053. The next prime is 252750073. The reversal of 252750057 is 750057252.

It is not a de Polignac number, because 252750057 - 2² = 252750053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252750053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112432 + ... + 114657.

It is an arithmetic number, because the mean of its divisors is an integer number (24525720).

Almost surely, 2^252750057 is an apocalyptic number.

It is an amenable number.

252750057 is a deficient number, since it is larger than the sum of its proper divisors (139661463).

252750057 is a wasteful number, since it uses less digits than its factorization.

252750057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227152.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 252750057 is about 15898.1148882501. The cubic root of 252750057 is about 632.2620096467.

The spelling of 252750057 in words is "two hundred fifty-two million, seven hundred fifty thousand, fifty-seven".