2532512644 has 24 divisors (see below), whose sum is σ = 4698205848. Its totient is φ = 1190346240.

The previous prime is 2532512639. The next prime is 2532512669. The reversal of 2532512644 is 4462152352.

It can be written as a sum of positive squares in 4 ways, for example, as 568250244 + 1964262400 = 23838^2 + 44320^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 36174 + ... + 79834.

It is an arithmetic number, because the mean of its divisors is an integer number (195758577).

Almost surely, 2^2532512644 is an apocalyptic number.

It is an amenable number.

2532512644 is a deficient number, since it is larger than the sum of its proper divisors (2165693204).

2532512644 is a wasteful number, since it uses less digits than its factorization.

2532512644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44535 (or 44533 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 2532512644 is about 50324.0761862550. The cubic root of 2532512644 is about 1363.0670120339.

Adding to 2532512644 its reverse (4462152352), we get a palindrome (6994664996).

The spelling of 2532512644 in words is "two billion, five hundred thirty-two million, five hundred twelve thousand, six hundred forty-four".