252599723 has 4 divisors (see below), whose sum is σ = 252678888. Its totient is φ = 252520560.

The previous prime is 252599717. The next prime is 252599741. The reversal of 252599723 is 327995252.

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 252599723 - 2⁸ = 252599467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252599323) 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, 34586 + ... + 41247.

It is an arithmetic number, because the mean of its divisors is an integer number (63169722).

Almost surely, 2^252599723 is an apocalyptic number.

252599723 is a deficient number, since it is larger than the sum of its proper divisors (79165).

252599723 is an equidigital number, since it uses as much as digits as its factorization.

252599723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79164.

The product of its digits is 340200, while the sum is 44.

The square root of 252599723 is about 15893.3861401528. The cubic root of 252599723 is about 632.1366297498.

The spelling of 252599723 in words is "two hundred fifty-two million, five hundred ninety-nine thousand, seven hundred twenty-three".