2525240 has 16 divisors (see below), whose sum is σ = 5681880. Its totient is φ = 1010080.

The previous prime is 2525227. The next prime is 2525249. The reversal of 2525240 is 425252.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31526 + ... + 31605.

2^2525240 is an apocalyptic number.

2525240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525240 is an abundant number, since it is smaller than the sum of its proper divisors (3156640).

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

2525240 is a wasteful number, since it uses less digits than its factorization.

2525240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63142 (or 63138 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2525240 is about 1589.1003744257. The cubic root of 2525240 is about 136.1760982953.

The spelling of 2525240 in words is "two million, five hundred twenty-five thousand, two hundred forty".