97605653 has 4 divisors (see below), whose sum is σ = 103347180. Its totient is φ = 91864128.

The previous prime is 97605649. The next prime is 97605689. The reversal of 97605653 is 35650679.

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 83302129 + 14303524 = 9127^2 + 3782^2 .

It is a cyclic number.

It is not a de Polignac number, because 97605653 - 2² = 97605649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97605653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97605623) 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, 2870738 + ... + 2870771.

It is an arithmetic number, because the mean of its divisors is an integer number (25836795).

Almost surely, 2^97605653 is an apocalyptic number.

It is an amenable number.

97605653 is a deficient number, since it is larger than the sum of its proper divisors (5741527).

97605653 is a wasteful number, since it uses less digits than its factorization.

97605653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741526.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 97605653 is about 9879.5573281398. The cubic root of 97605653 is about 460.4243925223.

The spelling of 97605653 in words is "ninety-seven million, six hundred five thousand, six hundred fifty-three".