252265578 has 8 divisors (see below), whose sum is σ = 504531168. Its totient is φ = 84088524.

The previous prime is 252265553. The next prime is 252265609. The reversal of 252265578 is 875562252.

It is a happy number.

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

252265578 is an admirable number.

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, 21022126 + ... + 21022137.

It is an arithmetic number, because the mean of its divisors is an integer number (63066396).

Almost surely, 2^252265578 is an apocalyptic number.

252265578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252265578 is a wasteful number, since it uses less digits than its factorization.

252265578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42044268.

The product of its digits is 336000, while the sum is 42.

The square root of 252265578 is about 15882.8705843749. The cubic root of 252265578 is about 631.8577715651.

The spelling of 252265578 in words is "two hundred fifty-two million, two hundred sixty-five thousand, five hundred seventy-eight".