91365337 has 4 divisors (see below), whose sum is σ = 104417536. Its totient is φ = 78313140.

The previous prime is 91365331. The next prime is 91365371. The reversal of 91365337 is 73356319.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73356319 = 79 ⋅928561.

It is a cyclic number.

It is not a de Polignac number, because 91365337 - 2¹¹ = 91363289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91365296 and 91365305.

It is not an unprimeable number, because it can be changed into a prime (91365331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6526089 + ... + 6526102.

It is an arithmetic number, because the mean of its divisors is an integer number (26104384).

Almost surely, 2^91365337 is an apocalyptic number.

It is an amenable number.

91365337 is a deficient number, since it is larger than the sum of its proper divisors (13052199).

91365337 is a wasteful number, since it uses less digits than its factorization.

91365337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13052198.

The product of its digits is 51030, while the sum is 37.

The square root of 91365337 is about 9558.5216953251. The cubic root of 91365337 is about 450.3952691643.

The spelling of 91365337 in words is "ninety-one million, three hundred sixty-five thousand, three hundred thirty-seven".