91533065 has 8 divisors (see below), whose sum is σ = 118288968. Its totient is φ = 67593600.

The previous prime is 91533053. The next prime is 91533073. The reversal of 91533065 is 56033519.

It can be written as a sum of positive squares in 4 ways, for example, as 674041 + 90859024 = 821^2 + 9532^2 .

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

It is not a de Polignac number, because 91533065 - 2⁸ = 91532809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704036 + ... + 704165.

It is an arithmetic number, because the mean of its divisors is an integer number (14786121).

Almost surely, 2^91533065 is an apocalyptic number.

It is an amenable number.

91533065 is a deficient number, since it is larger than the sum of its proper divisors (26755903).

91533065 is a wasteful number, since it uses less digits than its factorization.

91533065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408219.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 91533065 is about 9567.2914139792. The cubic root of 91533065 is about 450.6707117613.

The spelling of 91533065 in words is "ninety-one million, five hundred thirty-three thousand, sixty-five".