252775028 has 24 divisors (see below), whose sum is σ = 483404544. Its totient is φ = 114699200.

The previous prime is 252774931. The next prime is 252775051. The reversal of 252775028 is 820577252.

It is a junction number, because it is equal to n+sod(n) for n = 252774982 and 252775000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22493 + ... + 31803.

It is an arithmetic number, because the mean of its divisors is an integer number (20141856).

Almost surely, 2^252775028 is an apocalyptic number.

It is an amenable number.

252775028 is a deficient number, since it is larger than the sum of its proper divisors (230629516).

252775028 is a wasteful number, since it uses less digits than its factorization.

252775028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943 (or 9941 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 252775028 is about 15898.9002135368. The cubic root of 252775028 is about 632.2828308682.

The spelling of 252775028 in words is "two hundred fifty-two million, seven hundred seventy-five thousand, twenty-eight".