252471065 has 32 divisors (see below), whose sum is σ = 384880896. Its totient is φ = 154402560.

The previous prime is 252471059. The next prime is 252471073. The reversal of 252471065 is 560174252.

252471065 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 252471065 - 2¹² = 252466969 is a prime.

It is a Duffinian number.

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, 14219 + ... + 26591.

It is an arithmetic number, because the mean of its divisors is an integer number (12027528).

Almost surely, 2^252471065 is an apocalyptic number.

It is an amenable number.

252471065 is a deficient number, since it is larger than the sum of its proper divisors (132409831).

252471065 is a wasteful number, since it uses less digits than its factorization.

252471065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 252471065 is about 15889.3380919408. The cubic root of 252471065 is about 632.0292883198.

The spelling of 252471065 in words is "two hundred fifty-two million, four hundred seventy-one thousand, sixty-five".