252612621682 has 16 divisors (see below), whose sum is σ = 393442320600. Its totient is φ = 121497564160.

The previous prime is 252612621593. The next prime is 252612621683. The reversal of 252612621682 is 286126216252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 84675762081 + 167936859601 = 290991^2 + 409801^2 .

It is not an unprimeable number, because it can be changed into a prime (252612621683) 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, 8079919 + ... + 8111122.

Almost surely, 2^252612621682 is an apocalyptic number.

252612621682 is a deficient number, since it is larger than the sum of its proper divisors (140829698918).

252612621682 is a wasteful number, since it uses less digits than its factorization.

252612621682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16191341.

The product of its digits is 276480, while the sum is 43.

The spelling of 252612621682 in words is "two hundred fifty-two billion, six hundred twelve million, six hundred twenty-one thousand, six hundred eighty-two".