91276025 has 12 divisors (see below), whose sum is σ = 114284352. Its totient is φ = 72309840.

The previous prime is 91276001. The next prime is 91276033. The reversal of 91276025 is 52067219.

It is not a de Polignac number, because 91276025 - 2¹⁶ = 91210489 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91275982 and 91276000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15149 + ... + 20298.

It is an arithmetic number, because the mean of its divisors is an integer number (9523696).

Almost surely, 2^91276025 is an apocalyptic number.

It is an amenable number.

91276025 is a deficient number, since it is larger than the sum of its proper divisors (23008327).

91276025 is a wasteful number, since it uses less digits than its factorization.

91276025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35560 (or 35555 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 91276025 is about 9553.8487009163. The cubic root of 91276025 is about 450.2484636108.

The spelling of 91276025 in words is "ninety-one million, two hundred seventy-six thousand, twenty-five".