252663578 has 8 divisors (see below), whose sum is σ = 391221120. Its totient is φ = 122256540.

The previous prime is 252663557. The next prime is 252663589. The reversal of 252663578 is 875366252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037548 + ... + 2037671.

It is an arithmetic number, because the mean of its divisors is an integer number (48902640).

Almost surely, 2^252663578 is an apocalyptic number.

252663578 is a deficient number, since it is larger than the sum of its proper divisors (138557542).

252663578 is a wasteful number, since it uses less digits than its factorization.

252663578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075252.

The product of its digits is 604800, while the sum is 44.

The square root of 252663578 is about 15895.3948676967. The cubic root of 252663578 is about 632.1898914651.

The spelling of 252663578 in words is "two hundred fifty-two million, six hundred sixty-three thousand, five hundred seventy-eight".