252159679 has 2 divisors, whose sum is σ = 252159680. Its totient is φ = 252159678.

The previous prime is 252159667. The next prime is 252159683. The reversal of 252159679 is 976951252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252159679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252159179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126079839 + 126079840.

It is an arithmetic number, because the mean of its divisors is an integer number (126079840).

Almost surely, 2^252159679 is an apocalyptic number.

252159679 is a deficient number, since it is larger than the sum of its proper divisors (1).

252159679 is an equidigital number, since it uses as much as digits as its factorization.

252159679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 46.

The square root of 252159679 is about 15879.5364856787. The cubic root of 252159679 is about 631.7693429706.

The spelling of 252159679 in words is "two hundred fifty-two million, one hundred fifty-nine thousand, six hundred seventy-nine".