252651348747 has 64 divisors (see below), whose sum is σ = 439552189440. Its totient is φ = 140399474688.

The previous prime is 252651348743. The next prime is 252651348757. The reversal of 252651348747 is 747843156252.

252651348747 is a `hidden beast` number, since 2 + 5 + 2 + 6 + 513 + 4 + 87 + 47 = 666.

252651348747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252651348747 - 2² = 252651348743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252651348693 and 252651348702.

It is not an unprimeable number, because it can be changed into a prime (252651348743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15845163 + ... + 15861099.

It is an arithmetic number, because the mean of its divisors is an integer number (6868002960).

Almost surely, 2^252651348747 is an apocalyptic number.

252651348747 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

252651348747 is a deficient number, since it is larger than the sum of its proper divisors (186900840693).

252651348747 is a wasteful number, since it uses less digits than its factorization.

252651348747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18257 (or 18251 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 252651348747 in words is "two hundred fifty-two billion, six hundred fifty-one million, three hundred forty-eight thousand, seven hundred forty-seven".