506016397 has 2 divisors, whose sum is σ = 506016398. Its totient is φ = 506016396.

The previous prime is 506016359. The next prime is 506016419. The reversal of 506016397 is 793610605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428241636 + 77774761 = 20694^2 + 8819^2 .

It is a cyclic number.

It is not a de Polignac number, because 506016397 - 2¹⁹ = 505492109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506016337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253008198 + 253008199.

It is an arithmetic number, because the mean of its divisors is an integer number (253008199).

Almost surely, 2^506016397 is an apocalyptic number.

It is an amenable number.

506016397 is a deficient number, since it is larger than the sum of its proper divisors (1).

506016397 is an equidigital number, since it uses as much as digits as its factorization.

506016397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 506016397 is about 22494.8082232323. The cubic root of 506016397 is about 796.8713202588.

The spelling of 506016397 in words is "five hundred six million, sixteen thousand, three hundred ninety-seven".