2500725 has 12 divisors (see below), whose sum is σ = 4134656. Its totient is φ = 1333680.

The previous prime is 2500709. The next prime is 2500727. The reversal of 2500725 is 5270052.

It is not a de Polignac number, because 2500725 - 2⁴ = 2500709 is a prime.

It is a Duffinian number.

2500725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16597 + ... + 16746.

2^2500725 is an apocalyptic number.

2500725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2500725 is a deficient number, since it is larger than the sum of its proper divisors (1633931).

2500725 is a wasteful number, since it uses less digits than its factorization.

2500725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33356 (or 33351 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 2500725 is about 1581.3680785952. The cubic root of 2500725 is about 135.7339992469.

Adding to 2500725 its reverse (5270052), we get a palindrome (7770777).

The spelling of 2500725 in words is "two million, five hundred thousand, seven hundred twenty-five".