2521374 has 24 divisors (see below), whose sum is σ = 5187912. Its totient is φ = 816720.

The previous prime is 2521373. The next prime is 2521397. The reversal of 2521374 is 4731252.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30337 + ... + 30419.

It is an arithmetic number, because the mean of its divisors is an integer number (216163).

2^2521374 is an apocalyptic number.

2521374 is an abundant number, since it is smaller than the sum of its proper divisors (2666538).

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

2521374 is an equidigital number, since it uses as much as digits as its factorization.

2521374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 149 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 2521374 is about 1587.8834969858. The cubic root of 2521374 is about 136.1065701603.

The spelling of 2521374 in words is "two million, five hundred twenty-one thousand, three hundred seventy-four".