30886305025 has 9 divisors (see below), whose sum is σ = 38300107881. Its totient is φ = 24708341040.

The previous prime is 30886305013. The next prime is 30886305061. The reversal of 30886305025 is 52050368803.

It is a happy number.

The square root of 30886305025 is 175745.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 771561729 + 30114743296 = 27777^2 + 173536^2 .

It is not a de Polignac number, because 30886305025 - 2⁵ = 30886304993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 861151 + ... + 896299.

Almost surely, 2^30886305025 is an apocalyptic number.

30886305025 is the 175745-th square number.

30886305025 is the 87873-rd centered octagonal number.

It is an amenable number.

30886305025 is a deficient number, since it is larger than the sum of its proper divisors (7413802856).

30886305025 is an frugal number, since it uses more digits than its factorization.

30886305025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70308 (or 35154 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 30886305025 in words is "thirty billion, eight hundred eighty-six million, three hundred five thousand, twenty-five".