252503923 has 4 divisors (see below), whose sum is σ = 288575920. Its totient is φ = 216431928.

The previous prime is 252503917. The next prime is 252503929. The reversal of 252503923 is 329305252.

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

It is an interprime number because it is at equal distance from previous prime (252503917) and next prime (252503929).

It is a cyclic number.

It is not a de Polignac number, because 252503923 - 2⁵ = 252503891 is a prime.

It is a super-2 number, since 2×252503923² = 127516462260779858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252503929) 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 3 ways as a sum of consecutive naturals, for example, 18035988 + ... + 18036001.

It is an arithmetic number, because the mean of its divisors is an integer number (72143980).

Almost surely, 2^252503923 is an apocalyptic number.

252503923 is a deficient number, since it is larger than the sum of its proper divisors (36071997).

252503923 is an equidigital number, since it uses as much as digits as its factorization.

252503923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36071996.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 252503923 is about 15890.3720220768. The cubic root of 252503923 is about 632.0567057422.

The spelling of 252503923 in words is "two hundred fifty-two million, five hundred three thousand, nine hundred twenty-three".