97584965 has 4 divisors (see below), whose sum is σ = 117101964. Its totient is φ = 78067968.

The previous prime is 97584959. The next prime is 97584967. The reversal of 97584965 is 56948579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56948579 = 1093 ⋅52103.

It can be written as a sum of positive squares in 2 ways, for example, as 30492484 + 67092481 = 5522^2 + 8191^2 .

It is a cyclic number.

It is not a de Polignac number, because 97584965 - 2⁶ = 97584901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97584967) 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, 9758492 + ... + 9758501.

It is an arithmetic number, because the mean of its divisors is an integer number (29275491).

Almost surely, 2^97584965 is an apocalyptic number.

It is an amenable number.

97584965 is a deficient number, since it is larger than the sum of its proper divisors (19516999).

97584965 is a wasteful number, since it uses less digits than its factorization.

97584965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19516998.

The product of its digits is 2721600, while the sum is 53.

The square root of 97584965 is about 9878.5102621802. The cubic root of 97584965 is about 460.3918604827.

The spelling of 97584965 in words is "ninety-seven million, five hundred eighty-four thousand, nine hundred sixty-five".