252553503 has 4 divisors (see below), whose sum is σ = 336738008. Its totient is φ = 168369000.

The previous prime is 252553471. The next prime is 252553537. The reversal of 252553503 is 305355252.

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

It is not a de Polignac number, because 252553503 - 2⁵ = 252553471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252553573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42092248 + ... + 42092253.

It is an arithmetic number, because the mean of its divisors is an integer number (84184502).

Almost surely, 2^252553503 is an apocalyptic number.

252553503 is a deficient number, since it is larger than the sum of its proper divisors (84184505).

252553503 is an equidigital number, since it uses as much as digits as its factorization.

252553503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84184504.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 252553503 is about 15891.9320096708. The cubic root of 252553503 is about 632.0980718594.

The spelling of 252553503 in words is "two hundred fifty-two million, five hundred fifty-three thousand, five hundred three".