505602413 has 2 divisors, whose sum is σ = 505602414. Its totient is φ = 505602412.

The previous prime is 505602379. The next prime is 505602421. The reversal of 505602413 is 314206505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505215529 + 386884 = 22477^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 505602413 - 2²² = 501408109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505604413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252801206 + 252801207.

It is an arithmetic number, because the mean of its divisors is an integer number (252801207).

Almost surely, 2^505602413 is an apocalyptic number.

It is an amenable number.

505602413 is a deficient number, since it is larger than the sum of its proper divisors (1).

505602413 is an equidigital number, since it uses as much as digits as its factorization.

505602413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 505602413 is about 22485.6045727038. The cubic root of 505602413 is about 796.6539478682.

Adding to 505602413 its reverse (314206505), we get a palindrome (819808918).

The spelling of 505602413 in words is "five hundred five million, six hundred two thousand, four hundred thirteen".