2540465 has 8 divisors (see below), whose sum is σ = 3181248. Its totient is φ = 1943920.

The previous prime is 2540443. The next prime is 2540479. The reversal of 2540465 is 5640452.

2540465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2540465 - 2¹⁰ = 2539441 is a prime.

It is a Duffinian number.

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, 10931 + ... + 11160.

It is an arithmetic number, because the mean of its divisors is an integer number (397656).

2^2540465 is an apocalyptic number.

It is an amenable number.

2540465 is a deficient number, since it is larger than the sum of its proper divisors (640783).

2540465 is a wasteful number, since it uses less digits than its factorization.

2540465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22119.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2540465 is about 1593.8836218495. The cubic root of 2540465 is about 136.4492245861.

The spelling of 2540465 in words is "two million, five hundred forty thousand, four hundred sixty-five".