97086653 has 4 divisors (see below), whose sum is σ = 97397148. Its totient is φ = 96776160.

The previous prime is 97086623. The next prime is 97086659. The reversal of 97086653 is 35668079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35668079 = 2473 ⋅14423.

It can be written as a sum of positive squares in 2 ways, for example, as 5750404 + 91336249 = 2398^2 + 9557^2 .

It is a cyclic number.

It is not a de Polignac number, because 97086653 - 2¹⁰ = 97085629 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 (97086659) 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, 154778 + ... + 155403.

It is an arithmetic number, because the mean of its divisors is an integer number (24349287).

Almost surely, 2^97086653 is an apocalyptic number.

It is an amenable number.

97086653 is a deficient number, since it is larger than the sum of its proper divisors (310495).

97086653 is a wasteful number, since it uses less digits than its factorization.

97086653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310494.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 97086653 is about 9853.2559593263. The cubic root of 97086653 is about 459.6068679551.

It can be divided in two parts, 9708 and 6653, that added together give a palindrome (16361).

The spelling of 97086653 in words is "ninety-seven million, eighty-six thousand, six hundred fifty-three".