252631003 has 4 divisors (see below), whose sum is σ = 254304208. Its totient is φ = 250957800.

The previous prime is 252630947. The next prime is 252631007. The reversal of 252631003 is 300136252.

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 252631003 - 2⁹ = 252630491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252631007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836376 + ... + 836677.

It is an arithmetic number, because the mean of its divisors is an integer number (63576052).

Almost surely, 2^252631003 is an apocalyptic number.

252631003 is a deficient number, since it is larger than the sum of its proper divisors (1673205).

252631003 is a wasteful number, since it uses less digits than its factorization.

252631003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673204.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 252631003 is about 15894.3701668232. The cubic root of 252631003 is about 632.1627216465.

Adding to 252631003 its reverse (300136252), we get a palindrome (552767255).

The spelling of 252631003 in words is "two hundred fifty-two million, six hundred thirty-one thousand, three".