252765039 has 4 divisors (see below), whose sum is σ = 337020056. Its totient is φ = 168510024.

The previous prime is 252765001. The next prime is 252765047. The reversal of 252765039 is 930567252.

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

It is not a de Polignac number, because 252765039 - 2¹² = 252760943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252764988 and 252765006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252765059) 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, 42127504 + ... + 42127509.

It is an arithmetic number, because the mean of its divisors is an integer number (84255014).

Almost surely, 2^252765039 is an apocalyptic number.

252765039 is a deficient number, since it is larger than the sum of its proper divisors (84255017).

252765039 is an equidigital number, since it uses as much as digits as its factorization.

252765039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84255016.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 252765039 is about 15898.5860692075. The cubic root of 252765039 is about 632.2745020439.

The spelling of 252765039 in words is "two hundred fifty-two million, seven hundred sixty-five thousand, thirty-nine".