2100997325 has 12 divisors (see below), whose sum is σ = 2977413600. Its totient is φ = 1440683760.

The previous prime is 2100997259. The next prime is 2100997357. The reversal of 2100997325 is 5237990012.

It is a de Polignac number, because none of the positive numbers 2^k-2100997325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6002675 + ... + 6003024.

It is an arithmetic number, because the mean of its divisors is an integer number (248117800).

Almost surely, 2^2100997325 is an apocalyptic number.

2100997325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2100997325 is a deficient number, since it is larger than the sum of its proper divisors (876416275).

2100997325 is a wasteful number, since it uses less digits than its factorization.

2100997325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12005716 (or 12005711 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 2100997325 is about 45836.6373657580. The cubic root of 2100997325 is about 1280.7818557000.

The spelling of 2100997325 in words is "two billion, one hundred million, nine hundred ninety-seven thousand, three hundred twenty-five".