2525980 has 24 divisors (see below), whose sum is σ = 5406912. Its totient is φ = 990912.

The previous prime is 2525959. The next prime is 2525981. The reversal of 2525980 is 895252.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (225288).

2^2525980 is an apocalyptic number.

2525980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525980 is an abundant number, since it is smaller than the sum of its proper divisors (2880932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2525980 is a wasteful number, since it uses less digits than its factorization.

2525980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2525980 is about 1589.3331935123. Note that the first 3 decimals coincide. The cubic root of 2525980 is about 136.1893987435.

The spelling of 2525980 in words is "two million, five hundred twenty-five thousand, nine hundred eighty".