252506003 has 8 divisors (see below), whose sum is σ = 261784656. Its totient is φ = 243376000.

The previous prime is 252505963. The next prime is 252506027. The reversal of 252506003 is 300605252.

It is a happy number.

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

It is not a de Polignac number, because 252506003 - 2¹⁰ = 252504979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252506003.

It is not an unprimeable number, because it can be changed into a prime (252506203) 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, 33698 + ... + 40503.

It is an arithmetic number, because the mean of its divisors is an integer number (32723082).

Almost surely, 2^252506003 is an apocalyptic number.

252506003 is a deficient number, since it is larger than the sum of its proper divisors (9278653).

252506003 is an equidigital number, since it uses as much as digits as its factorization.

252506003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74325.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 252506003 is about 15890.4374703782. The cubic root of 252506003 is about 632.0584412589.

The spelling of 252506003 in words is "two hundred fifty-two million, five hundred six thousand, three".