538683907 has 2 divisors, whose sum is σ = 538683908. Its totient is φ = 538683906.

The previous prime is 538683883. The next prime is 538683917. The reversal of 538683907 is 709386835.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538683907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (538683917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269341953 + 269341954.

It is an arithmetic number, because the mean of its divisors is an integer number (269341954).

Almost surely, 2^538683907 is an apocalyptic number.

538683907 is a deficient number, since it is larger than the sum of its proper divisors (1).

538683907 is an equidigital number, since it uses as much as digits as its factorization.

538683907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 538683907 is about 23209.5649894607. The cubic root of 538683907 is about 813.6631864210.

It can be divided in two parts, 53868 and 3907, that added together give a palindrome (57775).

The spelling of 538683907 in words is "five hundred thirty-eight million, six hundred eighty-three thousand, nine hundred seven".