538197707 has 2 divisors, whose sum is σ = 538197708. Its totient is φ = 538197706.

The previous prime is 538197703. The next prime is 538197719. The reversal of 538197707 is 707791835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538197707 - 2² = 538197703 is a prime.

It is not a weakly prime, because it can be changed into another prime (538197701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269098853 + 269098854.

It is an arithmetic number, because the mean of its divisors is an integer number (269098854).

Almost surely, 2^538197707 is an apocalyptic number.

538197707 is a deficient number, since it is larger than the sum of its proper divisors (1).

538197707 is an equidigital number, since it uses as much as digits as its factorization.

538197707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 47.

The square root of 538197707 is about 23199.0884950250. The cubic root of 538197707 is about 813.4183167082.

The spelling of 538197707 in words is "five hundred thirty-eight million, one hundred ninety-seven thousand, seven hundred seven".