2540277 has 6 divisors (see below), whose sum is σ = 3669302. Its totient is φ = 1693512.

The previous prime is 2540269. The next prime is 2540323. The reversal of 2540277 is 7720452.

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 352836 = 1479^2 + 594^2 .

It is not a de Polignac number, because 2540277 - 2³ = 2540269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2540277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141118 + ... + 141135.

2^2540277 is an apocalyptic number.

It is an amenable number.

2540277 is a deficient number, since it is larger than the sum of its proper divisors (1129025).

2540277 is a wasteful number, since it uses less digits than its factorization.

2540277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282259 (or 282256 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2540277 is about 1593.8246453108. The cubic root of 2540277 is about 136.4458586554.

The spelling of 2540277 in words is "two million, five hundred forty thousand, two hundred seventy-seven".