2099725 has 12 divisors (see below), whose sum is σ = 2660544. Its totient is φ = 1643120.

The previous prime is 2099717. The next prime is 2099731. The reversal of 2099725 is 5279902.

It is not a de Polignac number, because 2099725 - 2³ = 2099717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282 + ... + 2068.

It is an arithmetic number, because the mean of its divisors is an integer number (221712).

2^2099725 is an apocalyptic number.

2099725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2099725 is a deficient number, since it is larger than the sum of its proper divisors (560819).

2099725 is a wasteful number, since it uses less digits than its factorization.

2099725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844 (or 1839 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 2099725 is about 1449.0427874980. The cubic root of 2099725 is about 128.0523264250.

The spelling of 2099725 in words is "two million, ninety-nine thousand, seven hundred twenty-five".