97331653 has 4 divisors (see below), whose sum is σ = 101563488. Its totient is φ = 93099820.

The previous prime is 97331617. The next prime is 97331669. The reversal of 97331653 is 35613379.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97331653 - 2⁹ = 97331141 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 (97331603) 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, 2115883 + ... + 2115928.

It is an arithmetic number, because the mean of its divisors is an integer number (25390872).

Almost surely, 2^97331653 is an apocalyptic number.

It is an amenable number.

97331653 is a deficient number, since it is larger than the sum of its proper divisors (4231835).

97331653 is a wasteful number, since it uses less digits than its factorization.

97331653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231834.

The product of its digits is 51030, while the sum is 37.

The square root of 97331653 is about 9865.6805644618. The cubic root of 97331653 is about 459.9931520720.

The spelling of 97331653 in words is "ninety-seven million, three hundred thirty-one thousand, six hundred fifty-three".