91526961 has 8 divisors (see below), whose sum is σ = 122088064. Its totient is φ = 60991920.

The previous prime is 91526923. The next prime is 91526999. The reversal of 91526961 is 16962519.

It is an interprime number because it is at equal distance from previous prime (91526923) and next prime (91526999).

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

It is not a de Polignac number, because 91526961 - 2¹¹ = 91524913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91522961) 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, 4200 + ... + 14166.

It is an arithmetic number, because the mean of its divisors is an integer number (15261008).

Almost surely, 2^91526961 is an apocalyptic number.

It is an amenable number.

91526961 is a deficient number, since it is larger than the sum of its proper divisors (30561103).

91526961 is a wasteful number, since it uses less digits than its factorization.

91526961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031.

The product of its digits is 29160, while the sum is 39.

The square root of 91526961 is about 9566.9724051029. The cubic root of 91526961 is about 450.6606936869.

The spelling of 91526961 in words is "ninety-one million, five hundred twenty-six thousand, nine hundred sixty-one".