97203021 has 8 divisors (see below), whose sum is σ = 130940544. Its totient is φ = 64133760.

The previous prime is 97203019. The next prime is 97203023. The reversal of 97203021 is 12030279.

It is an interprime number because it is at equal distance from previous prime (97203019) and next prime (97203023).

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

It is not a de Polignac number, because 97203021 - 2¹ = 97203019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97202982 and 97203000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97203023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166725 + ... + 167306.

It is an arithmetic number, because the mean of its divisors is an integer number (16367568).

Almost surely, 2^97203021 is an apocalyptic number.

It is an amenable number.

97203021 is a deficient number, since it is larger than the sum of its proper divisors (33737523).

97203021 is a wasteful number, since it uses less digits than its factorization.

97203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334131.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 97203021 is about 9859.1592440735. The cubic root of 97203021 is about 459.7904228041.

The spelling of 97203021 in words is "ninety-seven million, two hundred three thousand, twenty-one".