252351503 has 4 divisors (see below), whose sum is σ = 252693720. Its totient is φ = 252009288.

The previous prime is 252351499. The next prime is 252351551. The reversal of 252351503 is 305153252.

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 252351503 - 2² = 252351499 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252351703) 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, 170000 + ... + 171477.

It is an arithmetic number, because the mean of its divisors is an integer number (63173430).

Almost surely, 2^252351503 is an apocalyptic number.

252351503 is a deficient number, since it is larger than the sum of its proper divisors (342217).

252351503 is an equidigital number, since it uses as much as digits as its factorization.

252351503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342216.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 252351503 is about 15885.5753122133. The cubic root of 252351503 is about 631.9295031325.

The spelling of 252351503 in words is "two hundred fifty-two million, three hundred fifty-one thousand, five hundred three".