91425914 has 8 divisors (see below), whose sum is σ = 137580768. Its totient is φ = 45565660.

The previous prime is 91425889. The next prime is 91425931. The reversal of 91425914 is 41952419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72872 + ... + 74115.

It is an arithmetic number, because the mean of its divisors is an integer number (17197596).

Almost surely, 2^91425914 is an apocalyptic number.

91425914 is a deficient number, since it is larger than the sum of its proper divisors (46154854).

91425914 is a wasteful number, since it uses less digits than its factorization.

91425914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147300.

The product of its digits is 12960, while the sum is 35.

The square root of 91425914 is about 9561.6899133992. The cubic root of 91425914 is about 450.4947874553.

The spelling of 91425914 in words is "ninety-one million, four hundred twenty-five thousand, nine hundred fourteen".