97563021 has 8 divisors (see below), whose sum is σ = 130129920. Its totient is φ = 65019072.

The previous prime is 97563019. The next prime is 97563031. The reversal of 97563021 is 12036579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97563021 - 2¹ = 97563019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97563031) 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 7 ways as a sum of consecutive naturals, for example, 12181 + ... + 18533.

It is an arithmetic number, because the mean of its divisors is an integer number (16266240).

Almost surely, 2^97563021 is an apocalyptic number.

It is an amenable number.

97563021 is a deficient number, since it is larger than the sum of its proper divisors (32566899).

97563021 is a wasteful number, since it uses less digits than its factorization.

97563021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11475.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 97563021 is about 9877.3995059428. The cubic root of 97563021 is about 460.3573483481.

The spelling of 97563021 in words is "ninety-seven million, five hundred sixty-three thousand, twenty-one".