2521392 has 20 divisors (see below), whose sum is σ = 6513720. Its totient is φ = 840448.

The previous prime is 2521373. The next prime is 2521397. The reversal of 2521392 is 2931252.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2521397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26217 + ... + 26312.

It is an arithmetic number, because the mean of its divisors is an integer number (325686).

2^2521392 is an apocalyptic number.

It is an amenable number.

2521392 is an abundant number, since it is smaller than the sum of its proper divisors (3992328).

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

2521392 is a wasteful number, since it uses less digits than its factorization.

2521392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52540 (or 52534 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2521392 is about 1587.8891648979. The cubic root of 2521392 is about 136.1068940462.

The spelling of 2521392 in words is "two million, five hundred twenty-one thousand, three hundred ninety-two".