252780506 has 8 divisors (see below), whose sum is σ = 413640864. Its totient is φ = 114900220.

The previous prime is 252780499. The next prime is 252780527. The reversal of 252780506 is 605087252.

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, 5744990 + ... + 5745033.

It is an arithmetic number, because the mean of its divisors is an integer number (51705108).

Almost surely, 2^252780506 is an apocalyptic number.

252780506 is a deficient number, since it is larger than the sum of its proper divisors (160860358).

252780506 is a wasteful number, since it uses less digits than its factorization.

252780506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11490036.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 252780506 is about 15899.0724886705. The cubic root of 252780506 is about 632.2873983293.

The spelling of 252780506 in words is "two hundred fifty-two million, seven hundred eighty thousand, five hundred six".