5252587636 has 48 divisors (see below), whose sum is σ = 9569354256. Its totient is φ = 2520612864.

The previous prime is 5252587553. The next prime is 5252587649. The reversal of 5252587636 is 6367852525.

It can be written as a sum of positive squares in 8 ways, for example, as 11696400 + 5240891236 = 3420^2 + 72394^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5252587636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8512800 + ... + 8513416.

It is an arithmetic number, because the mean of its divisors is an integer number (199361547).

Almost surely, 2^5252587636 is an apocalyptic number.

It is an amenable number.

5252587636 is a deficient number, since it is larger than the sum of its proper divisors (4316766620).

5252587636 is a wasteful number, since it uses less digits than its factorization.

5252587636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1346 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The square root of 5252587636 is about 72474.7379160491. The cubic root of 5252587636 is about 1738.2988213102.

The spelling of 5252587636 in words is "five billion, two hundred fifty-two million, five hundred eighty-seven thousand, six hundred thirty-six".