2572540 has 24 divisors (see below), whose sum is σ = 5433120. Its totient is φ = 1023168.

The previous prime is 2572529. The next prime is 2572589. The reversal of 2572540 is 452752.

2572540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5641 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (226380).

2^2572540 is an apocalyptic number.

2572540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2572540 is an abundant number, since it is smaller than the sum of its proper divisors (2860580).

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

2572540 is a wasteful number, since it uses less digits than its factorization.

2572540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 739 counting only the distinct ones).

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

The square root of 2572540 is about 1603.9139627798. The cubic root of 2572540 is about 137.0210776173.

The spelling of 2572540 in words is "two million, five hundred seventy-two thousand, five hundred forty".