252505403 has 8 divisors (see below), whose sum is σ = 267585120. Its totient is φ = 237450880.

The previous prime is 252505397. The next prime is 252505411. The reversal of 252505403 is 304505252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252505403 - 2⁸ = 252505147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252505423) 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 7 ways as a sum of consecutive naturals, for example, 16793 + ... + 28053.

It is an arithmetic number, because the mean of its divisors is an integer number (33448140).

Almost surely, 2^252505403 is an apocalyptic number.

252505403 is a deficient number, since it is larger than the sum of its proper divisors (15079717).

252505403 is a wasteful number, since it uses less digits than its factorization.

252505403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 252505403 is about 15890.4185910882. The cubic root of 252505403 is about 632.0579406301.

The spelling of 252505403 in words is "two hundred fifty-two million, five hundred five thousand, four hundred three".