97603021 has 4 divisors (see below), whose sum is σ = 97948192. Its totient is φ = 97257852.

The previous prime is 97603013. The next prime is 97603027. The reversal of 97603021 is 12030679.

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 97603021 - 2³ = 97603013 is a prime.

It is a deceptive number, since it divides R_97603020.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97603027) 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, 172161 + ... + 172726.

It is an arithmetic number, because the mean of its divisors is an integer number (24487048).

Almost surely, 2^97603021 is an apocalyptic number.

It is an amenable number.

97603021 is a deficient number, since it is larger than the sum of its proper divisors (345171).

97603021 is a wasteful number, since it uses less digits than its factorization.

97603021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345170.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 97603021 is about 9879.4241228930. The cubic root of 97603021 is about 460.4202539372.

The spelling of 97603021 in words is "ninety-seven million, six hundred three thousand, twenty-one".