252565427 has 4 divisors (see below), whose sum is σ = 253834800. Its totient is φ = 251296056.

The previous prime is 252565351. The next prime is 252565471. The reversal of 252565427 is 724565252.

It is a happy number.

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 252565427 - 2¹⁴ = 252549043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252565477) 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, 634388 + ... + 634785.

It is an arithmetic number, because the mean of its divisors is an integer number (63458700).

Almost surely, 2^252565427 is an apocalyptic number.

252565427 is a deficient number, since it is larger than the sum of its proper divisors (1269373).

252565427 is a wasteful number, since it uses less digits than its factorization.

252565427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269372.

The product of its digits is 168000, while the sum is 38.

The square root of 252565427 is about 15892.3071641596. The cubic root of 252565427 is about 632.1080196114.

The spelling of 252565427 in words is "two hundred fifty-two million, five hundred sixty-five thousand, four hundred twenty-seven".