252725456 has 40 divisors (see below), whose sum is σ = 496173600. Its totient is φ = 124694144.

The previous prime is 252725453. The next prime is 252725467. The reversal of 252725456 is 654527252.

It is a happy number.

It is a super-2 number, since 2×252725456² = 127740312220815872, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252725453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540935 + ... + 541401.

It is an arithmetic number, because the mean of its divisors is an integer number (12404340).

Almost surely, 2^252725456 is an apocalyptic number.

It is an amenable number.

252725456 is a deficient number, since it is larger than the sum of its proper divisors (243448144).

252725456 is a wasteful number, since it uses less digits than its factorization.

252725456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 845 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 252725456 is about 15897.3411613389. The cubic root of 252725456 is about 632.2414955961.

The spelling of 252725456 in words is "two hundred fifty-two million, seven hundred twenty-five thousand, four hundred fifty-six".