2597920201 has 6 divisors (see below), whose sum is σ = 2608893002. Its totient is φ = 2586993360.

The previous prime is 2597920163. The next prime is 2597920231. The reversal of 2597920201 is 1020297952.

It can be written as a sum of positive squares in only one way, i.e., 1462297600 + 1135622601 = 38240^2 + 33699^2 .

It is not a de Polignac number, because 2597920201 - 2²¹ = 2595823049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2597920231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34381 + ... + 79861.

Almost surely, 2^2597920201 is an apocalyptic number.

It is an amenable number.

2597920201 is a deficient number, since it is larger than the sum of its proper divisors (10972801).

2597920201 is an frugal number, since it uses more digits than its factorization.

2597920201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45959 (or 45720 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 2597920201 is about 50969.7969487813. The cubic root of 2597920201 is about 1374.7021196701.

The spelling of 2597920201 in words is "two billion, five hundred ninety-seven million, nine hundred twenty thousand, two hundred one".