2525740 has 24 divisors (see below), whose sum is σ = 6062112. Its totient is φ = 865920.

The previous prime is 2525729. The next prime is 2525749. The reversal of 2525740 is 475252.

It is not an unprimeable number, because it can be changed into a prime (2525749) 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, 8881 + ... + 9160.

It is an arithmetic number, because the mean of its divisors is an integer number (252588).

2^2525740 is an apocalyptic number.

2525740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525740 is an abundant number, since it is smaller than the sum of its proper divisors (3536372).

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

2525740 is a wasteful number, since it uses less digits than its factorization.

2525740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18057 (or 18055 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2525740 is about 1589.2576883564. The cubic root of 2525740 is about 136.1850853693.

The spelling of 2525740 in words is "two million, five hundred twenty-five thousand, seven hundred forty".