252728524 has 12 divisors (see below), whose sum is σ = 442604848. Its totient is φ = 126270000.

The previous prime is 252728521. The next prime is 252728527. The reversal of 252728524 is 425827252.

It is an interprime number because it is at equal distance from previous prime (252728521) and next prime (252728527).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (252728521) 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, 17352 + ... + 28399.

Almost surely, 2^252728524 is an apocalyptic number.

It is an amenable number.

252728524 is a deficient number, since it is larger than the sum of its proper divisors (189876324).

252728524 is a wasteful number, since it uses less digits than its factorization.

252728524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47136 (or 47134 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 252728524 is about 15897.4376551695. The cubic root of 252728524 is about 632.2440539838.

The spelling of 252728524 in words is "two hundred fifty-two million, seven hundred twenty-eight thousand, five hundred twenty-four".