252528023859 has 4 divisors (see below), whose sum is σ = 336704031816. Its totient is φ = 168352015904.

The previous prime is 252528023851. The next prime is 252528023879. The reversal of 252528023859 is 958320825252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252528023859 - 2³ = 252528023851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252528023851) 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, 42088003974 + ... + 42088003979.

It is an arithmetic number, because the mean of its divisors is an integer number (84176007954).

Almost surely, 2^252528023859 is an apocalyptic number.

252528023859 is a deficient number, since it is larger than the sum of its proper divisors (84176007957).

252528023859 is an equidigital number, since it uses as much as digits as its factorization.

252528023859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84176007956.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 252528023859 in words is "two hundred fifty-two billion, five hundred twenty-eight million, twenty-three thousand, eight hundred fifty-nine".