91494925 has 6 divisors (see below), whose sum is σ = 113453738. Its totient is φ = 73195920.

The previous prime is 91494911. The next prime is 91494929. The reversal of 91494925 is 52949419.

It can be written as a sum of positive squares in 3 ways, for example, as 8375236 + 83119689 = 2894^2 + 9117^2 .

It is not a de Polignac number, because 91494925 - 2²¹ = 89397773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91494929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1829874 + ... + 1829923.

Almost surely, 2^91494925 is an apocalyptic number.

It is an amenable number.

91494925 is a deficient number, since it is larger than the sum of its proper divisors (21958813).

91494925 is a wasteful number, since it uses less digits than its factorization.

91494925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659807 (or 3659802 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 91494925 is about 9565.2979566765. The cubic root of 91494925 is about 450.6081079038.

The spelling of 91494925 in words is "ninety-one million, four hundred ninety-four thousand, nine hundred twenty-five".