2521790 has 16 divisors (see below), whose sum is σ = 4557600. Its totient is φ = 1004640.

The previous prime is 2521769. The next prime is 2521807. The reversal of 2521790 is 971252.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3911 + ... + 4509.

It is an arithmetic number, because the mean of its divisors is an integer number (284850).

2^2521790 is an apocalyptic number.

2521790 is a deficient number, since it is larger than the sum of its proper divisors (2035810).

2521790 is a wasteful number, since it uses less digits than its factorization.

2521790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2521790 is about 1588.0144835612. The cubic root of 2521790 is about 136.1140551294.

The spelling of 2521790 in words is "two million, five hundred twenty-one thousand, seven hundred ninety".