91562465 has 4 divisors (see below), whose sum is σ = 109874964. Its totient is φ = 73249968.

The previous prime is 91562461. The next prime is 91562467. The reversal of 91562465 is 56426519.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56426519 = 17 ⋅3319207.

It can be written as a sum of positive squares in 2 ways, for example, as 27290176 + 64272289 = 5224^2 + 8017^2 .

It is a cyclic number.

It is not a de Polignac number, because 91562465 - 2² = 91562461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91562461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9156242 + ... + 9156251.

It is an arithmetic number, because the mean of its divisors is an integer number (27468741).

Almost surely, 2^91562465 is an apocalyptic number.

It is an amenable number.

91562465 is a deficient number, since it is larger than the sum of its proper divisors (18312499).

91562465 is a wasteful number, since it uses less digits than its factorization.

91562465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18312498.

The product of its digits is 64800, while the sum is 38.

The square root of 91562465 is about 9568.8277756473. The cubic root of 91562465 is about 450.7189577170.

The spelling of 91562465 in words is "ninety-one million, five hundred sixty-two thousand, four hundred sixty-five".