596740021 has 2 divisors, whose sum is σ = 596740022. Its totient is φ = 596740020.

The previous prime is 596739971. The next prime is 596740031. The reversal of 596740021 is 120047695.

596740021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518063121 + 78676900 = 22761^2 + 8870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-596740021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (596740031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298370010 + 298370011.

It is an arithmetic number, because the mean of its divisors is an integer number (298370011).

Almost surely, 2^596740021 is an apocalyptic number.

It is an amenable number.

596740021 is a deficient number, since it is larger than the sum of its proper divisors (1).

596740021 is an equidigital number, since it uses as much as digits as its factorization.

596740021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 596740021 is about 24428.2627503472. The cubic root of 596740021 is about 841.9023499614.

The spelling of 596740021 in words is "five hundred ninety-six million, seven hundred forty thousand, twenty-one".