252025757 has 4 divisors (see below), whose sum is σ = 256297440. Its totient is φ = 247754076.

The previous prime is 252025733. The next prime is 252025777. The reversal of 252025757 is 757520252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252025757 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 (252025727) 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, 2135753 + ... + 2135870.

It is an arithmetic number, because the mean of its divisors is an integer number (64074360).

Almost surely, 2^252025757 is an apocalyptic number.

It is an amenable number.

252025757 is a deficient number, since it is larger than the sum of its proper divisors (4271683).

252025757 is an equidigital number, since it uses as much as digits as its factorization.

252025757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271682.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 252025757 is about 15875.3191149029. The cubic root of 252025757 is about 631.6574789365.

The spelling of 252025757 in words is "two hundred fifty-two million, twenty-five thousand, seven hundred fifty-seven".