252125679 has 16 divisors (see below), whose sum is σ = 363138944. Its totient is φ = 154677600.

The previous prime is 252125669. The next prime is 252125683. The reversal of 252125679 is 976521252.

It is not a de Polignac number, because 252125679 - 2⁵ = 252125647 is a prime.

It is a super-2 number, since 2×252125679² = 127134716022422082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252125669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3144 + ... + 22674.

It is an arithmetic number, because the mean of its divisors is an integer number (22696184).

Almost surely, 2^252125679 is an apocalyptic number.

252125679 is a deficient number, since it is larger than the sum of its proper divisors (111013265).

252125679 is a wasteful number, since it uses less digits than its factorization.

252125679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19878.

The product of its digits is 75600, while the sum is 39.

The square root of 252125679 is about 15878.4658893736. The cubic root of 252125679 is about 631.7409467796.

The spelling of 252125679 in words is "two hundred fifty-two million, one hundred twenty-five thousand, six hundred seventy-nine".