2540294 has 4 divisors (see below), whose sum is σ = 3810444. Its totient is φ = 1270146.

The previous prime is 2540269. The next prime is 2540323. The reversal of 2540294 is 4920452.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635072 + ... + 635075.

It is an arithmetic number, because the mean of its divisors is an integer number (952611).

2^2540294 is an apocalyptic number.

2540294 is a deficient number, since it is larger than the sum of its proper divisors (1270150).

2540294 is a wasteful number, since it uses less digits than its factorization.

2540294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270149.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2540294 is about 1593.8299783854. The cubic root of 2540294 is about 136.4461630283.

The spelling of 2540294 in words is "two million, five hundred forty thousand, two hundred ninety-four".