252539423 has 4 divisors (see below), whose sum is σ = 260685888. Its totient is φ = 244392960.

The previous prime is 252539401. The next prime is 252539447. The reversal of 252539423 is 324935252.

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 252539423 - 2⁸ = 252539167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252529423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4073186 + ... + 4073247.

It is an arithmetic number, because the mean of its divisors is an integer number (65171472).

Almost surely, 2^252539423 is an apocalyptic number.

252539423 is a deficient number, since it is larger than the sum of its proper divisors (8146465).

252539423 is an equidigital number, since it uses as much as digits as its factorization.

252539423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146464.

The product of its digits is 64800, while the sum is 35.

The square root of 252539423 is about 15891.4890114174. The cubic root of 252539423 is about 632.0863250333.

The spelling of 252539423 in words is "two hundred fifty-two million, five hundred thirty-nine thousand, four hundred twenty-three".