252702345 has 16 divisors (see below), whose sum is σ = 462084480. Its totient is φ = 115521024.

The previous prime is 252702319. The next prime is 252702347. The reversal of 252702345 is 543207252.

It is not a de Polignac number, because 252702345 - 2⁵ = 252702313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252702347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203240 + ... + 1203449.

It is an arithmetic number, because the mean of its divisors is an integer number (28880280).

Almost surely, 2^252702345 is an apocalyptic number.

It is an amenable number.

252702345 is a deficient number, since it is larger than the sum of its proper divisors (209382135).

252702345 is a wasteful number, since it uses less digits than its factorization.

252702345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406704.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 252702345 is about 15896.6142621629. The cubic root of 252702345 is about 632.2222227999. Note that the first 6 decimals are identical.

Adding to 252702345 its reverse (543207252), we get a palindrome (795909597).

The spelling of 252702345 in words is "two hundred fifty-two million, seven hundred two thousand, three hundred forty-five".