97546921 has 4 divisors (see below), whose sum is σ = 97702144. Its totient is φ = 97391700.

The previous prime is 97546903. The next prime is 97546927. The reversal of 97546921 is 12964579.

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 97546921 - 2⁹ = 97546409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97546927) 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, 76665 + ... + 77926.

It is an arithmetic number, because the mean of its divisors is an integer number (24425536).

Almost surely, 2^97546921 is an apocalyptic number.

It is an amenable number.

97546921 is a deficient number, since it is larger than the sum of its proper divisors (155223).

97546921 is a wasteful number, since it uses less digits than its factorization.

97546921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155222.

The product of its digits is 136080, while the sum is 43.

The square root of 97546921 is about 9876.5844804770. The cubic root of 97546921 is about 460.3320239954.

The spelling of 97546921 in words is "ninety-seven million, five hundred forty-six thousand, nine hundred twenty-one".