506736239 has 2 divisors, whose sum is σ = 506736240. Its totient is φ = 506736238.

The previous prime is 506736173. The next prime is 506736287. The reversal of 506736239 is 932637605.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506736239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506736196 and 506736205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506730239) 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, 253368119 + 253368120.

It is an arithmetic number, because the mean of its divisors is an integer number (253368120).

Almost surely, 2^506736239 is an apocalyptic number.

506736239 is a deficient number, since it is larger than the sum of its proper divisors (1).

506736239 is an equidigital number, since it uses as much as digits as its factorization.

506736239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 506736239 is about 22510.8027178064. The cubic root of 506736239 is about 797.2490087146.

The spelling of 506736239 in words is "five hundred six million, seven hundred thirty-six thousand, two hundred thirty-nine".