2521814 has 12 divisors (see below), whose sum is σ = 4019244. Its totient is φ = 1186464.

The previous prime is 2521807. The next prime is 2521817. The reversal of 2521814 is 4181252.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2521814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1604 + ... + 2759.

It is an arithmetic number, because the mean of its divisors is an integer number (334937).

2^2521814 is an apocalyptic number.

2521814 is a deficient number, since it is larger than the sum of its proper divisors (1497430).

2521814 is a wasteful number, since it uses less digits than its factorization.

2521814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399 (or 4382 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 2521814 is about 1588.0220401493. The cubic root of 2521814 is about 136.1144869294.

The spelling of 2521814 in words is "two million, five hundred twenty-one thousand, eight hundred fourteen".