252217006939 has 8 divisors (see below), whose sum is σ = 255527990720. Its totient is φ = 248908982400.

The previous prime is 252217006919. The next prime is 252217006999. The reversal of 252217006939 is 939600712252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252217006939 - 2²¹ = 252214909787 is a prime.

It is a super-2 number, since 2×252217006939² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252217006919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567972 + ... + 909409.

It is an arithmetic number, because the mean of its divisors is an integer number (31940998840).

Almost surely, 2^252217006939 is an apocalyptic number.

252217006939 is a deficient number, since it is larger than the sum of its proper divisors (3310983781).

252217006939 is a wasteful number, since it uses less digits than its factorization.

252217006939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479621.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 252217006939 in words is "two hundred fifty-two billion, two hundred seventeen million, six thousand, nine hundred thirty-nine".