5256247860 has 72 divisors (see below), whose sum is σ = 16168553856. Its totient is φ = 1381920960.

The previous prime is 5256247859. The next prime is 5256247907. The reversal of 5256247860 is 687426525.

5256247860 is a `hidden beast` number, since 5 + 2 + 562 + 4 + 7 + 86 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192864 + ... + 218423.

It is an arithmetic number, because the mean of its divisors is an integer number (224563248).

Almost surely, 2^5256247860 is an apocalyptic number.

It is an amenable number.

5256247860 is an abundant number, since it is smaller than the sum of its proper divisors (10912305996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5256247860 is a wasteful number, since it uses less digits than its factorization.

5256247860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411373 (or 411368 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 5256247860 is about 72499.9852413778. The cubic root of 5256247860 is about 1738.7025008029.

It can be divided in two parts, 5256 and 247860, that added together give a triangular number (253116 = T₇₁₁).

The spelling of 5256247860 in words is "five billion, two hundred fifty-six million, two hundred forty-seven thousand, eight hundred sixty".