252206417530 has 32 divisors (see below), whose sum is σ = 464089077504. Its totient is φ = 98638474176.

The previous prime is 252206417501. The next prime is 252206417581. The reversal of 252206417530 is 35714602252.

It is a self number, because there is not a number n which added to its sum of digits gives 252206417530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211249 + ... + 740971.

It is an arithmetic number, because the mean of its divisors is an integer number (14502783672).

Almost surely, 2^252206417530 is an apocalyptic number.

252206417530 is a deficient number, since it is larger than the sum of its proper divisors (211882659974).

252206417530 is a wasteful number, since it uses less digits than its factorization.

252206417530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530790.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 252206417530 in words is "two hundred fifty-two billion, two hundred six million, four hundred seventeen thousand, five hundred thirty".