5208381907 has 2 divisors, whose sum is σ = 5208381908. Its totient is φ = 5208381906.

The previous prime is 5208381803. The next prime is 5208381931. The reversal of 5208381907 is 7091838025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5208381907 is a prime.

It is not a weakly prime, because it can be changed into another prime (5208381967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2604190953 + 2604190954.

It is an arithmetic number, because the mean of its divisors is an integer number (2604190954).

Almost surely, 2^5208381907 is an apocalyptic number.

5208381907 is a deficient number, since it is larger than the sum of its proper divisors (1).

5208381907 is an equidigital number, since it uses as much as digits as its factorization.

5208381907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 5208381907 is about 72169.1201761529. The cubic root of 5208381907 is about 1733.4085745157.

The spelling of 5208381907 in words is "five billion, two hundred eight million, three hundred eighty-one thousand, nine hundred seven".