252652763997 has 24 divisors (see below), whose sum is σ = 374856576120. Its totient is φ = 163860848640.

The previous prime is 252652763971. The next prime is 252652764011. The reversal of 252652763997 is 799367256252.

252652763997 is a `hidden beast` number, since 2 + 526 + 5 + 2 + 76 + 39 + 9 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8630595801 + 244022168196 = 92901^2 + 493986^2 .

It is not a de Polignac number, because 252652763997 - 2¹⁶ = 252652698461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252652765997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2644029 + ... + 2737917.

It is an arithmetic number, because the mean of its divisors is an integer number (15619024005).

Almost surely, 2^252652763997 is an apocalyptic number.

It is an amenable number.

252652763997 is a deficient number, since it is larger than the sum of its proper divisors (122203812123).

252652763997 is a wasteful number, since it uses less digits than its factorization.

252652763997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102013 (or 102010 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 63.

The spelling of 252652763997 in words is "two hundred fifty-two billion, six hundred fifty-two million, seven hundred sixty-three thousand, nine hundred ninety-seven".