252517705 has 16 divisors (see below), whose sum is σ = 336809664. Its totient is φ = 180182080.

The previous prime is 252517697. The next prime is 252517717. The reversal of 252517705 is 507715252.

252517705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252517705 - 2³ = 252517697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40399 + ... + 46228.

It is an arithmetic number, because the mean of its divisors is an integer number (21050604).

Almost surely, 2^252517705 is an apocalyptic number.

It is an amenable number.

252517705 is a deficient number, since it is larger than the sum of its proper divisors (84291959).

252517705 is a wasteful number, since it uses less digits than its factorization.

252517705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86696.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 252517705 is about 15890.8056749807. The cubic root of 252517705 is about 632.0682050316.

The spelling of 252517705 in words is "two hundred fifty-two million, five hundred seventeen thousand, seven hundred five".