5250617586 has 128 divisors (see below), whose sum is σ = 13052793600. Its totient is φ = 1554785280.

The previous prime is 5250617579. The next prime is 5250617611. The reversal of 5250617586 is 6857160525.

5250617586 is a `hidden beast` number, since 5 + 2 + 5 + 0 + 61 + 7 + 586 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8040436 + ... + 8041088.

It is an arithmetic number, because the mean of its divisors is an integer number (101974950).

Almost surely, 2^5250617586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5250617586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6526396800).

5250617586 is an abundant number, since it is smaller than the sum of its proper divisors (7802176014).

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

5250617586 is a wasteful number, since it uses less digits than its factorization.

5250617586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 5250617586 is about 72461.1453539067. The cubic root of 5250617586 is about 1738.0814704184.

The spelling of 5250617586 in words is "five billion, two hundred fifty million, six hundred seventeen thousand, five hundred eighty-six".