91425327 has 12 divisors (see below), whose sum is σ = 141802776. Its totient is φ = 52242960.

The previous prime is 91425311. The next prime is 91425329. The reversal of 91425327 is 72352419.

It is not a de Polignac number, because 91425327 - 2⁴ = 91425311 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91425329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310824 + ... + 311117.

It is an arithmetic number, because the mean of its divisors is an integer number (11816898).

Almost surely, 2^91425327 is an apocalyptic number.

91425327 is a deficient number, since it is larger than the sum of its proper divisors (50377449).

91425327 is a wasteful number, since it uses less digits than its factorization.

91425327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621958 (or 621951 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 91425327 is about 9561.6592179391. The cubic root of 91425327 is about 450.4938233195.

The spelling of 91425327 in words is "ninety-one million, four hundred twenty-five thousand, three hundred twenty-seven".