5206666025 has 24 divisors (see below), whose sum is σ = 7047242400. Its totient is φ = 3784492800.

The previous prime is 5206666019. The next prime is 5206666033.

5206666025 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-5206666025 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5206666025.

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, 594881 + ... + 603569.

It is an arithmetic number, because the mean of its divisors is an integer number (293635100).

Almost surely, 2^5206666025 is an apocalyptic number.

5206666025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5206666025 is a deficient number, since it is larger than the sum of its proper divisors (1840576375).

5206666025 is a wasteful number, since it uses less digits than its factorization.

5206666025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889 (or 10884 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 5206666025 is about 72157.2312731025. The cubic root of 5206666025 is about 1733.2181986107.

The spelling of 5206666025 in words is "five billion, two hundred six million, six hundred sixty-six thousand, twenty-five".