252004523 has 4 divisors (see below), whose sum is σ = 252066720. Its totient is φ = 251942328.

The previous prime is 252004469. The next prime is 252004531. The reversal of 252004523 is 325400252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252004523 - 2²² = 247810219 is a prime.

It is a super-2 number, since 2×252004523² = 127012559224915058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252004223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24563 + ... + 33276.

It is an arithmetic number, because the mean of its divisors is an integer number (63016680).

Almost surely, 2^252004523 is an apocalyptic number.

252004523 is a deficient number, since it is larger than the sum of its proper divisors (62197).

252004523 is an equidigital number, since it uses as much as digits as its factorization.

252004523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62196.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 252004523 is about 15874.6503268576. The cubic root of 252004523 is about 631.6397386973.

Adding to 252004523 its reverse (325400252), we get a palindrome (577404775).

The spelling of 252004523 in words is "two hundred fifty-two million, four thousand, five hundred twenty-three".