2521726 has 16 divisors (see below), whose sum is σ = 3957120. Its totient is φ = 1203840.

The previous prime is 2521723. The next prime is 2521733. The reversal of 2521726 is 6271252.

It is a self number, because there is not a number n which added to its sum of digits gives 2521726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521721) 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, 5290 + ... + 5746.

It is an arithmetic number, because the mean of its divisors is an integer number (247320).

2^2521726 is an apocalyptic number.

2521726 is a deficient number, since it is larger than the sum of its proper divisors (1435394).

2521726 is a wasteful number, since it uses less digits than its factorization.

2521726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579.

The product of its digits is 1680, while the sum is 25.

The square root of 2521726 is about 1587.9943324836. The cubic root of 2521726 is about 136.1129036492.

Adding to 2521726 its reverse (6271252), we get a palindrome (8792978).

The spelling of 2521726 in words is "two million, five hundred twenty-one thousand, seven hundred twenty-six".