2540292 has 12 divisors (see below), whose sum is σ = 5927376. Its totient is φ = 846760.

The previous prime is 2540269. The next prime is 2540323. The reversal of 2540292 is 2920452.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105834 + ... + 105857.

It is an arithmetic number, because the mean of its divisors is an integer number (493948).

2^2540292 is an apocalyptic number.

It is an amenable number.

2540292 is an abundant number, since it is smaller than the sum of its proper divisors (3387084).

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

2540292 is a wasteful number, since it uses less digits than its factorization.

2540292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211698 (or 211696 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2540292 is about 1593.8293509658. The cubic root of 2540292 is about 136.4461272198.

The spelling of 2540292 in words is "two million, five hundred forty thousand, two hundred ninety-two".