91453265 has 4 divisors (see below), whose sum is σ = 109743924. Its totient is φ = 73162608.

The previous prime is 91453237. The next prime is 91453321. The reversal of 91453265 is 56235419.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50069776 + 41383489 = 7076^2 + 6433^2 .

It is a cyclic number.

It is not a de Polignac number, because 91453265 - 2¹⁴ = 91436881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9145322 + ... + 9145331.

It is an arithmetic number, because the mean of its divisors is an integer number (27435981).

Almost surely, 2^91453265 is an apocalyptic number.

It is an amenable number.

91453265 is a deficient number, since it is larger than the sum of its proper divisors (18290659).

91453265 is a wasteful number, since it uses less digits than its factorization.

91453265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18290658.

The product of its digits is 32400, while the sum is 35.

The square root of 91453265 is about 9563.1200452572. The cubic root of 91453265 is about 450.5397063552.

The spelling of 91453265 in words is "ninety-one million, four hundred fifty-three thousand, two hundred sixty-five".