252683566563213 has 6 divisors (see below), whose sum is σ = 364987373924654. Its totient is φ = 168455711042136.

The previous prime is 252683566563209. The next prime is 252683566563283. The reversal of 252683566563213 is 312365665386252.

252683566563213 is a `hidden beast` number, since 2 + 5 + 2 + 6 + 8 + 3 + 5 + 66 + 563 + 2 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 243373665791844 + 9309900771369 = 15600438^2 + 3051213^2 .

It is not a de Polignac number, because 252683566563213 - 2² = 252683566563209 is a prime.

It is a super-2 number, since 2×252683566563213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252683566563203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14037975920170 + ... + 14037975920187.

Almost surely, 2^{252683566563213} is an apocalyptic number.

It is an amenable number.

252683566563213 is a deficient number, since it is larger than the sum of its proper divisors (112303807361441).

252683566563213 is a wasteful number, since it uses less digits than its factorization.

252683566563213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28075951840363 (or 28075951840360 counting only the distinct ones).

The product of its digits is 279936000, while the sum is 63.

The spelling of 252683566563213 in words is "two hundred fifty-two trillion, six hundred eighty-three billion, five hundred sixty-six million, five hundred sixty-three thousand, two hundred thirteen".