252043679 has 2 divisors, whose sum is σ = 252043680. Its totient is φ = 252043678.

The previous prime is 252043663. The next prime is 252043691. The reversal of 252043679 is 976340252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252043679 - 2⁴ = 252043663 is a prime.

It is a super-2 number, since 2×252043679² = 127052032247710082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252043619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126021839 + 126021840.

It is an arithmetic number, because the mean of its divisors is an integer number (126021840).

Almost surely, 2^252043679 is an apocalyptic number.

252043679 is a deficient number, since it is larger than the sum of its proper divisors (1).

252043679 is an equidigital number, since it uses as much as digits as its factorization.

252043679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 252043679 is about 15875.8835659626. The cubic root of 252043679 is about 631.6724513440.

The spelling of 252043679 in words is "two hundred fifty-two million, forty-three thousand, six hundred seventy-nine".