9169020025 has 27 divisors (see below), whose sum is σ = 12504329229. Its totient is φ = 6664548000.

The previous prime is 9169019927. The next prime is 9169020041. The reversal of 9169020025 is 5200209619.

The square root of 9169020025 is 95755.

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 5567099769 + 3601920256 = 74613^2 + 60016^2 .

It is not a de Polignac number, because 9169020025 - 2²¹ = 9166922873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5265655 + ... + 5267395.

Almost surely, 2^9169020025 is an apocalyptic number.

9169020025 is the 95755-th square number.

9169020025 is the 47878-th centered octagonal number.

It is an amenable number.

9169020025 is a deficient number, since it is larger than the sum of its proper divisors (3335309204).

9169020025 is an equidigital number, since it uses as much as digits as its factorization.

9169020025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The cubic root of 9169020025 is about 2093.0244761479.

The spelling of 9169020025 in words is "nine billion, one hundred sixty-nine million, twenty thousand, twenty-five".