252823945 has 16 divisors (see below), whose sum is σ = 333201600. Its totient is φ = 182632000.

The previous prime is 252823933. The next prime is 252823957. The reversal of 252823945 is 549328252.

It is an interprime number because it is at equal distance from previous prime (252823933) and next prime (252823957).

It is not a de Polignac number, because 252823945 - 2⁵ = 252823913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252823898 and 252823907.

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, 7231 + ... + 23620.

It is an arithmetic number, because the mean of its divisors is an integer number (20825100).

Almost surely, 2^252823945 is an apocalyptic number.

It is an amenable number.

252823945 is a deficient number, since it is larger than the sum of its proper divisors (80377655).

252823945 is a wasteful number, since it uses less digits than its factorization.

252823945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31016.

The product of its digits is 172800, while the sum is 40.

The square root of 252823945 is about 15900.4385159655. The cubic root of 252823945 is about 632.3236146758.

The spelling of 252823945 in words is "two hundred fifty-two million, eight hundred twenty-three thousand, nine hundred forty-five".