252519859 has 2 divisors, whose sum is σ = 252519860. Its totient is φ = 252519858.

The previous prime is 252519821. The next prime is 252519901. The reversal of 252519859 is 958915252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252519859 - 2¹⁵ = 252487091 is a prime.

It is not a weakly prime, because it can be changed into another prime (252519959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126259929 + 126259930.

It is an arithmetic number, because the mean of its divisors is an integer number (126259930).

Almost surely, 2^252519859 is an apocalyptic number.

252519859 is a deficient number, since it is larger than the sum of its proper divisors (1).

252519859 is an equidigital number, since it uses as much as digits as its factorization.

252519859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 46.

The square root of 252519859 is about 15890.8734498768. The cubic root of 252519859 is about 632.0700022271.

The spelling of 252519859 in words is "two hundred fifty-two million, five hundred nineteen thousand, eight hundred fifty-nine".