2540355 has 16 divisors (see below), whose sum is σ = 4093440. Its totient is φ = 1345248.

The previous prime is 2540341. The next prime is 2540389. The reversal of 2540355 is 5530452.

It is not a de Polignac number, because 2540355 - 2⁴ = 2540339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1926 + ... + 2964.

It is an arithmetic number, because the mean of its divisors is an integer number (255840).

2^2540355 is an apocalyptic number.

2540355 is a deficient number, since it is larger than the sum of its proper divisors (1553085).

2540355 is a wasteful number, since it uses less digits than its factorization.

2540355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 2540355 is about 1593.8491145651. The cubic root of 2540355 is about 136.4472551787.

The spelling of 2540355 in words is "two million, five hundred forty thousand, three hundred fifty-five".