635130539 has 2 divisors, whose sum is σ = 635130540. Its totient is φ = 635130538.

The previous prime is 635130527. The next prime is 635130553. The reversal of 635130539 is 935031536.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-635130539 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 = 635130499 and 635130508.

It is not a weakly prime, because it can be changed into another prime (635130569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317565269 + 317565270.

It is an arithmetic number, because the mean of its divisors is an integer number (317565270).

Almost surely, 2^635130539 is an apocalyptic number.

635130539 is a deficient number, since it is larger than the sum of its proper divisors (1).

635130539 is an equidigital number, since it uses as much as digits as its factorization.

635130539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 35.

The square root of 635130539 is about 25201.7963447053. The cubic root of 635130539 is about 859.5826977594.

The spelling of 635130539 in words is "six hundred thirty-five million, one hundred thirty thousand, five hundred thirty-nine".