2659725 has 18 divisors (see below), whose sum is σ = 4764266. Its totient is φ = 1418400.

The previous prime is 2659717. The next prime is 2659751. The reversal of 2659725 is 5279562.

It can be written as a sum of positive squares in 3 ways, for example, as 6084 + 2653641 = 78^2 + 1629^2 .

It is not a de Polignac number, because 2659725 - 2³ = 2659717 is a prime.

It is a Duffinian number.

2659725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2659725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5686 + ... + 6135.

2^2659725 is an apocalyptic number.

2659725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2659725 is a deficient number, since it is larger than the sum of its proper divisors (2104541).

2659725 is a wasteful number, since it uses less digits than its factorization.

2659725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837 (or 11829 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 2659725 is about 1630.8663341917. The cubic root of 2659725 is about 138.5518232389.

The spelling of 2659725 in words is "two million, six hundred fifty-nine thousand, seven hundred twenty-five".