252986745 has 32 divisors (see below), whose sum is σ = 442721664. Its totient is φ = 122342400.

The previous prime is 252986731. The next prime is 252986791. The reversal of 252986745 is 547689252.

252986745 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 252986745 - 2⁹ = 252986233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252986694 and 252986703.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69675 + ... + 73215.

It is an arithmetic number, because the mean of its divisors is an integer number (13835052).

Almost surely, 2^252986745 is an apocalyptic number.

It is an amenable number.

252986745 is a deficient number, since it is larger than the sum of its proper divisors (189734919).

252986745 is a wasteful number, since it uses less digits than its factorization.

252986745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993.

The product of its digits is 1209600, while the sum is 48.

The square root of 252986745 is about 15905.5570477742. The cubic root of 252986745 is about 632.4593088332.

The spelling of 252986745 in words is "two hundred fifty-two million, nine hundred eighty-six thousand, seven hundred forty-five".