380715539 has 2 divisors, whose sum is σ = 380715540. Its totient is φ = 380715538.

The previous prime is 380715499. The next prime is 380715611. The reversal of 380715539 is 935517083.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380715539 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 380715496 and 380715505.

It is not a weakly prime, because it can be changed into another prime (380714539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190357769 + 190357770.

It is an arithmetic number, because the mean of its divisors is an integer number (190357770).

Almost surely, 2^380715539 is an apocalyptic number.

380715539 is a deficient number, since it is larger than the sum of its proper divisors (1).

380715539 is an equidigital number, since it uses as much as digits as its factorization.

380715539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 380715539 is about 19511.9332460933. The cubic root of 380715539 is about 724.7699874385.

The spelling of 380715539 in words is "three hundred eighty million, seven hundred fifteen thousand, five hundred thirty-nine".