505612297 has 2 divisors, whose sum is σ = 505612298. Its totient is φ = 505612296.

The previous prime is 505612267. The next prime is 505612307. The reversal of 505612297 is 792216505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356869881 + 148742416 = 18891^2 + 12196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505612297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505612207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252806148 + 252806149.

It is an arithmetic number, because the mean of its divisors is an integer number (252806149).

Almost surely, 2^505612297 is an apocalyptic number.

It is an amenable number.

505612297 is a deficient number, since it is larger than the sum of its proper divisors (1).

505612297 is an equidigital number, since it uses as much as digits as its factorization.

505612297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 505612297 is about 22485.8243566919. The cubic root of 505612297 is about 796.6591390857.

The spelling of 505612297 in words is "five hundred five million, six hundred twelve thousand, two hundred ninety-seven".