2825540 has 12 divisors (see below), whose sum is σ = 5933676. Its totient is φ = 1130208.

The previous prime is 2825521. The next prime is 2825551. The reversal of 2825540 is 455282.

It can be written as a sum of positive squares in 2 ways, for example, as 652864 + 2172676 = 808^2 + 1474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70619 + ... + 70658.

It is an arithmetic number, because the mean of its divisors is an integer number (494473).

2^2825540 is an apocalyptic number.

2825540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2825540 is an abundant number, since it is smaller than the sum of its proper divisors (3108136).

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

2825540 is a wasteful number, since it uses less digits than its factorization.

2825540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141286 (or 141284 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2825540 is about 1680.9342640330. The cubic root of 2825540 is about 141.3732211098.

The spelling of 2825540 in words is "two million, eight hundred twenty-five thousand, five hundred forty".