252628472 has 32 divisors (see below), whose sum is σ = 485034480. Its totient is φ = 123321600.

The previous prime is 252628471. The next prime is 252628477. The reversal of 252628472 is 274826252.

252628472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252628472² = 127642289730109568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252628471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56843 + ... + 61125.

Almost surely, 2^252628472 is an apocalyptic number.

It is an amenable number.

252628472 is a deficient number, since it is larger than the sum of its proper divisors (232406008).

252628472 is a wasteful number, since it uses less digits than its factorization.

252628472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463 (or 4459 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 252628472 is about 15894.2905472374. The cubic root of 252628472 is about 632.1606105184.

The spelling of 252628472 in words is "two hundred fifty-two million, six hundred twenty-eight thousand, four hundred seventy-two".