2541002540 has 24 divisors (see below), whose sum is σ = 5337248112. Its totient is φ = 1016183360.

The previous prime is 2541002507. The next prime is 2541002551. The reversal of 2541002540 is 452001452.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109130 + ... + 130350.

It is an arithmetic number, because the mean of its divisors is an integer number (222385338).

Almost surely, 2^2541002540 is an apocalyptic number.

2541002540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541002540 is an abundant number, since it is smaller than the sum of its proper divisors (2796245572).

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

2541002540 is a wasteful number, since it uses less digits than its factorization.

2541002540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27217 (or 27215 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2541002540 is about 50408.3578387553. The cubic root of 2541002540 is about 1364.5884772509.

Adding to 2541002540 its reverse (452001452), we get a palindrome (2993003992).

The spelling of 2541002540 in words is "two billion, five hundred forty-one million, two thousand, five hundred forty".