91926025 has 6 divisors (see below), whose sum is σ = 113988302. Its totient is φ = 73540800.

The previous prime is 91926017. The next prime is 91926049. The reversal of 91926025 is 52062919.

It can be written as a sum of positive squares in 3 ways, for example, as 15468489 + 76457536 = 3933^2 + 8744^2 .

It is not a de Polignac number, because 91926025 - 2³ = 91926017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1838496 + ... + 1838545.

Almost surely, 2^91926025 is an apocalyptic number.

It is an amenable number.

91926025 is a deficient number, since it is larger than the sum of its proper divisors (22062277).

91926025 is a wasteful number, since it uses less digits than its factorization.

91926025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677051 (or 3677046 counting only the distinct ones).

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

The square root of 91926025 is about 9587.8060576964. The cubic root of 91926025 is about 451.3147148741.

The spelling of 91926025 in words is "ninety-one million, nine hundred twenty-six thousand, twenty-five".