5208037813 has 4 divisors (see below), whose sum is σ = 5681495808. Its totient is φ = 4734579820.

The previous prime is 5208037811. The next prime is 5208037817. The reversal of 5208037813 is 3187308025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5208037813 - 2¹ = 5208037811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208037811) 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, 236728981 + ... + 236729002.

It is an arithmetic number, because the mean of its divisors is an integer number (1420373952).

Almost surely, 2^5208037813 is an apocalyptic number.

It is an amenable number.

5208037813 is a deficient number, since it is larger than the sum of its proper divisors (473457995).

5208037813 is a wasteful number, since it uses less digits than its factorization.

5208037813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473457994.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 5208037813 is about 72166.7361947317. The cubic root of 5208037813 is about 1733.3704008797.

The spelling of 5208037813 in words is "five billion, two hundred eight million, thirty-seven thousand, eight hundred thirteen".