252523245 has 64 divisors (see below), whose sum is σ = 452874240. Its totient is φ = 119355648.

The previous prime is 252523237. The next prime is 252523259. The reversal of 252523245 is 542325252.

It is not a de Polignac number, because 252523245 - 2³ = 252523237 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 540502 + ... + 540968.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^252523245 is an apocalyptic number.

It is an amenable number.

252523245 is a deficient number, since it is larger than the sum of its proper divisors (200350995).

252523245 is a wasteful number, since it uses less digits than its factorization.

252523245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its digits is 24000, while the sum is 30.

The square root of 252523245 is about 15890.9799886602. The cubic root of 252523245 is about 632.0728273243.

Adding to 252523245 its reverse (542325252), we get a palindrome (794848497).

The spelling of 252523245 in words is "two hundred fifty-two million, five hundred twenty-three thousand, two hundred forty-five".