2540752 has 20 divisors (see below), whose sum is σ = 5212836. Its totient is φ = 1195520.

The previous prime is 2540749. The next prime is 2540761. The reversal of 2540752 is 2570452.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 1157776 = 1176^2 + 1076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4399 + ... + 4942.

2^2540752 is an apocalyptic number.

It is an amenable number.

2540752 is an abundant number, since it is smaller than the sum of its proper divisors (2672084).

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

2540752 is a wasteful number, since it uses less digits than its factorization.

2540752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366 (or 9360 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2540752 is about 1593.9736509742. The cubic root of 2540752 is about 136.4543626812.

The spelling of 2540752 in words is "two million, five hundred forty thousand, seven hundred fifty-two".