2915725 has 12 divisors (see below), whose sum is σ = 3638656. Its totient is φ = 2317680.

The previous prime is 2915719. The next prime is 2915753. The reversal of 2915725 is 5275192.

It is not a de Polignac number, because 2915725 - 2⁷ = 2915597 is a prime.

It is an Ulam number.

It is a Duffinian number.

2915725 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5314 + ... + 5836.

2^2915725 is an apocalyptic number.

2915725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2915725 is a deficient number, since it is larger than the sum of its proper divisors (722931).

2915725 is a wasteful number, since it uses less digits than its factorization.

2915725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 751 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 2915725 is about 1707.5494136335. The cubic root of 2915725 is about 142.8616034322.

The spelling of 2915725 in words is "two million, nine hundred fifteen thousand, seven hundred twenty-five".