2539549572 has 24 divisors (see below), whose sum is σ = 6772132416. Its totient is φ = 725585568.

The previous prime is 2539549549. The next prime is 2539549609. The reversal of 2539549572 is 2759459352.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15116283 + ... + 15116450.

It is an arithmetic number, because the mean of its divisors is an integer number (282172184).

Almost surely, 2^2539549572 is an apocalyptic number.

It is an amenable number.

2539549572 is an abundant number, since it is smaller than the sum of its proper divisors (4232582844).

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

2539549572 is a wasteful number, since it uses less digits than its factorization.

2539549572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30232747 (or 30232745 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 51.

The square root of 2539549572 is about 50393.9438028023. The cubic root of 2539549572 is about 1364.3283330245.

The spelling of 2539549572 in words is "two billion, five hundred thirty-nine million, five hundred forty-nine thousand, five hundred seventy-two".