676525139 has 2 divisors, whose sum is σ = 676525140. Its totient is φ = 676525138.

The previous prime is 676525123. The next prime is 676525147. The reversal of 676525139 is 931525676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676525139 - 2⁴ = 676525123 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 676525139.

It is not a weakly prime, because it can be changed into another prime (676525159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338262569 + 338262570.

It is an arithmetic number, because the mean of its divisors is an integer number (338262570).

Almost surely, 2^676525139 is an apocalyptic number.

676525139 is a deficient number, since it is larger than the sum of its proper divisors (1).

676525139 is an equidigital number, since it uses as much as digits as its factorization.

676525139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 44.

The square root of 676525139 is about 26010.0968664094. The cubic root of 676525139 is about 877.8654961274.

The spelling of 676525139 in words is "six hundred seventy-six million, five hundred twenty-five thousand, one hundred thirty-nine".