5313625642 has 16 divisors (see below), whose sum is σ = 8610639912. Its totient is φ = 2444702400.

The previous prime is 5313625607. The next prime is 5313625663. The reversal of 5313625642 is 2465263135.

It can be written as a sum of positive squares in 4 ways, for example, as 1119638521 + 4193987121 = 33461^2 + 64761^2 .

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, 314109 + ... + 330592.

Almost surely, 2^5313625642 is an apocalyptic number.

5313625642 is a deficient number, since it is larger than the sum of its proper divisors (3297014270).

5313625642 is a wasteful number, since it uses less digits than its factorization.

5313625642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645033.

The product of its digits is 129600, while the sum is 37.

The square root of 5313625642 is about 72894.6201169881. The cubic root of 5313625642 is about 1745.0062415247.

Adding to 5313625642 its reverse (2465263135), we get a palindrome (7778888777).

The spelling of 5313625642 in words is "five billion, three hundred thirteen million, six hundred twenty-five thousand, six hundred forty-two".