2540154 has 16 divisors (see below), whose sum is σ = 5110560. Its totient is φ = 841680.

The previous prime is 2540141. The next prime is 2540173. The reversal of 2540154 is 4510452.

2540154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2540154.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 84 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (319410).

2^2540154 is an apocalyptic number.

2540154 is an abundant number, since it is smaller than the sum of its proper divisors (2570406).

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

2540154 is a wasteful number, since it uses less digits than its factorization.

2540154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2540154 is about 1593.7860584156. The cubic root of 2540154 is about 136.4436563875.

The spelling of 2540154 in words is "two million, five hundred forty thousand, one hundred fifty-four".