2540899 has 4 divisors (see below), whose sum is σ = 2564320. Its totient is φ = 2517480.

The previous prime is 2540887. The next prime is 2540903. The reversal of 2540899 is 9980452.

2540899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2540899 - 2⁷ = 2540771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11547 + ... + 11764.

It is an arithmetic number, because the mean of its divisors is an integer number (641080).

2^2540899 is an apocalyptic number.

2540899 is a deficient number, since it is larger than the sum of its proper divisors (23421).

2540899 is a wasteful number, since it uses less digits than its factorization.

2540899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23420.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2540899 is about 1594.0197614835. The cubic root of 2540899 is about 136.4569942387.

The spelling of 2540899 in words is "two million, five hundred forty thousand, eight hundred ninety-nine".