2539558852 has 6 divisors (see below), whose sum is σ = 4444227998. Its totient is φ = 1269779424.

The previous prime is 2539558837. The next prime is 2539558859. The reversal of 2539558852 is 2588559352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2406294916 + 133263936 = 49054^2 + 11544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2539558852.

It is not an unprimeable number, because it can be changed into a prime (2539558859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317444853 + ... + 317444860.

Almost surely, 2^2539558852 is an apocalyptic number.

It is an amenable number.

2539558852 is a deficient number, since it is larger than the sum of its proper divisors (1904669146).

2539558852 is a wasteful number, since it uses less digits than its factorization.

2539558852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634889717 (or 634889715 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 52.

The square root of 2539558852 is about 50394.0358772742. The cubic root of 2539558852 is about 1364.3299948614.

The spelling of 2539558852 in words is "two billion, five hundred thirty-nine million, five hundred fifty-eight thousand, eight hundred fifty-two".