252392679 has 144 divisors (see below), whose sum is σ = 501935616. Its totient is φ = 125193600.

The previous prime is 252392677. The next prime is 252392681. The reversal of 252392679 is 976293252.

It is a happy number.

252392679 is a `hidden beast` number, since 252 + 392 + 6 + 7 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (252392677) and next prime (252392681).

It is not a de Polignac number, because 252392679 - 2¹ = 252392677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252392677) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5370034 + ... + 5370080.

It is an arithmetic number, because the mean of its divisors is an integer number (3485664).

Almost surely, 2^252392679 is an apocalyptic number.

252392679 is a deficient number, since it is larger than the sum of its proper divisors (249542937).

252392679 is a wasteful number, since it uses less digits than its factorization.

252392679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 109 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 252392679 is about 15886.8712778823. The cubic root of 252392679 is about 631.9638717464.

The spelling of 252392679 in words is "two hundred fifty-two million, three hundred ninety-two thousand, six hundred seventy-nine".