9291996025 has 27 divisors (see below), whose sum is σ = 12484985229. Its totient is φ = 6857154720.

The previous prime is 9291996019. The next prime is 9291996031. The reversal of 9291996025 is 5206991929.

The square root of 9291996025 is 96395.

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

It is an interprime number because it is at equal distance from previous prime (9291996019) and next prime (9291996031).

It can be written as a sum of positive squares in 4 ways, for example, as 2395025721 + 6896970304 = 48939^2 + 83048^2 .

It is not a de Polignac number, because 9291996025 - 2⁷ = 9291995897 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, 6264934 + ... + 6266416.

Almost surely, 2^9291996025 is an apocalyptic number.

9291996025 is the 96395-th square number.

9291996025 is the 48198-th centered octagonal number.

It is an amenable number.

9291996025 is a deficient number, since it is larger than the sum of its proper divisors (3192989204).

9291996025 is an equidigital number, since it uses as much as digits as its factorization.

9291996025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002 (or 1501 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 52.

The cubic root of 9291996025 is about 2102.3402500778.

The spelling of 9291996025 in words is "nine billion, two hundred ninety-one million, nine hundred ninety-six thousand, twenty-five".