2512540 has 12 divisors (see below), whose sum is σ = 5276376. Its totient is φ = 1005008.

The previous prime is 2512537. The next prime is 2512553. The reversal of 2512540 is 452152.

2512540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 11.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 62794 + ... + 62833.

It is an arithmetic number, because the mean of its divisors is an integer number (439698).

2^2512540 is an apocalyptic number.

2512540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2512540 is an abundant number, since it is smaller than the sum of its proper divisors (2763836).

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

2512540 is a wasteful number, since it uses less digits than its factorization.

2512540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125636 (or 125634 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2512540 is about 1585.0993659705. The cubic root of 2512540 is about 135.9474277772.

Adding to 2512540 its reverse (452152), we get a palindrome (2964692).

The spelling of 2512540 in words is "two million, five hundred twelve thousand, five hundred forty".