252271597528 has 8 divisors (see below), whose sum is σ = 473009245380. Its totient is φ = 126135798760.

The previous prime is 252271597517. The next prime is 252271597537. The reversal of 252271597528 is 825795172252.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15766974838 + ... + 15766974853.

Almost surely, 2^252271597528 is an apocalyptic number.

It is an amenable number.

252271597528 is a deficient number, since it is larger than the sum of its proper divisors (220737647852).

252271597528 is a wasteful number, since it uses less digits than its factorization.

252271597528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31533949697 (or 31533949693 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 55.

The spelling of 252271597528 in words is "two hundred fifty-two billion, two hundred seventy-one million, five hundred ninety-seven thousand, five hundred twenty-eight".