2585472539 has 4 divisors (see below), whose sum is σ = 2784355056. Its totient is φ = 2386590024.

The previous prime is 2585472497. The next prime is 2585472563. The reversal of 2585472539 is 9352745852.

It is a happy number.

2585472539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2585472539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2588472539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99441239 + ... + 99441264.

It is an arithmetic number, because the mean of its divisors is an integer number (696088764).

Almost surely, 2^2585472539 is an apocalyptic number.

2585472539 is a deficient number, since it is larger than the sum of its proper divisors (198882517).

2585472539 is a wasteful number, since it uses less digits than its factorization.

2585472539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198882516.

The product of its digits is 3024000, while the sum is 50.

The square root of 2585472539 is about 50847.5421136558. The cubic root of 2585472539 is about 1372.5030233631.

The spelling of 2585472539 in words is "two billion, five hundred eighty-five million, four hundred seventy-two thousand, five hundred thirty-nine".