252679769 has 4 divisors (see below), whose sum is σ = 252717696. Its totient is φ = 252641844.

The previous prime is 252679759. The next prime is 252679783. The reversal of 252679769 is 967976252.

It is a happy number.

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 252679769 - 2⁴ = 252679753 is a prime.

It is a super-2 number, since 2×252679769² = 127694131323786722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252679769.

It is not an unprimeable number, because it can be changed into a prime (252679709) 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, 6029 + ... + 23274.

It is an arithmetic number, because the mean of its divisors is an integer number (63179424).

Almost surely, 2^252679769 is an apocalyptic number.

It is an amenable number.

252679769 is a deficient number, since it is larger than the sum of its proper divisors (37927).

252679769 is an equidigital number, since it uses as much as digits as its factorization.

252679769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37926.

The product of its digits is 2857680, while the sum is 53.

The square root of 252679769 is about 15895.9041579899. The cubic root of 252679769 is about 632.2033950180.

It can be divided in two parts, 25 and 2679769, that multiplied together give a square (66994225 = 8185²).

The spelling of 252679769 in words is "two hundred fifty-two million, six hundred seventy-nine thousand, seven hundred sixty-nine".