504739897 has 2 divisors, whose sum is σ = 504739898. Its totient is φ = 504739896.

The previous prime is 504739813. The next prime is 504739901. The reversal of 504739897 is 798937405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426876921 + 77862976 = 20661^2 + 8824^2 .

It is a cyclic number.

It is not a de Polignac number, because 504739897 - 2¹⁵ = 504707129 is a prime.

It is not a weakly prime, because it can be changed into another prime (504739097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252369948 + 252369949.

It is an arithmetic number, because the mean of its divisors is an integer number (252369949).

Almost surely, 2^504739897 is an apocalyptic number.

It is an amenable number.

504739897 is a deficient number, since it is larger than the sum of its proper divisors (1).

504739897 is an equidigital number, since it uses as much as digits as its factorization.

504739897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 504739897 is about 22466.4170930747. The cubic root of 504739897 is about 796.2006813906.

It can be divided in two parts, 5047 and 39897, that added together give a palindrome (44944).

The spelling of 504739897 in words is "five hundred four million, seven hundred thirty-nine thousand, eight hundred ninety-seven".