252074009 has 4 divisors (see below), whose sum is σ = 274989840. Its totient is φ = 229158180.

The previous prime is 252073993. The next prime is 252074047. The reversal of 252074009 is 900470252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252074009 - 2⁴ = 252073993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252074059) 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, 11457899 + ... + 11457920.

It is an arithmetic number, because the mean of its divisors is an integer number (68747460).

Almost surely, 2^252074009 is an apocalyptic number.

It is an amenable number.

252074009 is a deficient number, since it is larger than the sum of its proper divisors (22915831).

252074009 is a wasteful number, since it uses less digits than its factorization.

252074009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22915830.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 252074009 is about 15876.8387596524. The cubic root of 252074009 is about 631.6977880331.

The spelling of 252074009 in words is "two hundred fifty-two million, seventy-four thousand, nine".