91525417 has 8 divisors (see below), whose sum is σ = 93855776. Its totient is φ = 89223552.

The previous prime is 91525411. The next prime is 91525459. The reversal of 91525417 is 71452519.

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

It is a cyclic number.

It is not a de Polignac number, because 91525417 - 2¹⁵ = 91492649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91525411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (11731972).

Almost surely, 2^91525417 is an apocalyptic number.

91525417 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

It is an amenable number.

91525417 is a deficient number, since it is larger than the sum of its proper divisors (2330359).

91525417 is a wasteful number, since it uses less digits than its factorization.

91525417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14247.

The product of its digits is 12600, while the sum is 34.

The square root of 91525417 is about 9566.8917104773. The cubic root of 91525417 is about 450.6581595556.

The spelling of 91525417 in words is "ninety-one million, five hundred twenty-five thousand, four hundred seventeen".