252361345 has 16 divisors (see below), whose sum is σ = 321425280. Its totient is φ = 189552384.

The previous prime is 252361339. The next prime is 252361357. The reversal of 252361345 is 543163252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 252361345 - 2³ = 252361337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33934 + ... + 40696.

It is an arithmetic number, because the mean of its divisors is an integer number (20089080).

Almost surely, 2^252361345 is an apocalyptic number.

It is an amenable number.

252361345 is a deficient number, since it is larger than the sum of its proper divisors (69063935).

252361345 is a wasteful number, since it uses less digits than its factorization.

252361345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224.

The product of its digits is 21600, while the sum is 31.

The square root of 252361345 is about 15885.8850870828. The cubic root of 252361345 is about 631.9377183525.

The spelling of 252361345 in words is "two hundred fifty-two million, three hundred sixty-one thousand, three hundred forty-five".