506231347 has 2 divisors, whose sum is σ = 506231348. Its totient is φ = 506231346.

The previous prime is 506231339. The next prime is 506231351. The reversal of 506231347 is 743132605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 506231347 - 2³ = 506231339 is a prime.

It is not a weakly prime, because it can be changed into another prime (506231317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253115673 + 253115674.

It is an arithmetic number, because the mean of its divisors is an integer number (253115674).

Almost surely, 2^506231347 is an apocalyptic number.

506231347 is a deficient number, since it is larger than the sum of its proper divisors (1).

506231347 is an equidigital number, since it uses as much as digits as its factorization.

506231347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 506231347 is about 22499.5854850706. The cubic root of 506231347 is about 796.9841382382.

The spelling of 506231347 in words is "five hundred six million, two hundred thirty-one thousand, three hundred forty-seven".