504474989 has 2 divisors, whose sum is σ = 504474990. Its totient is φ = 504474988.

The previous prime is 504474977. The next prime is 504475001. The reversal of 504474989 is 989474405.

It is a balanced prime because it is at equal distance from previous prime (504474977) and next prime (504475001).

It can be written as a sum of positive squares in only one way, i.e., 498762889 + 5712100 = 22333^2 + 2390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504474989 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 (504474389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252237494 + 252237495.

It is an arithmetic number, because the mean of its divisors is an integer number (252237495).

Almost surely, 2^504474989 is an apocalyptic number.

It is an amenable number.

504474989 is a deficient number, since it is larger than the sum of its proper divisors (1).

504474989 is an equidigital number, since it uses as much as digits as its factorization.

504474989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 504474989 is about 22460.5206751758. The cubic root of 504474989 is about 796.0613641951.

The spelling of 504474989 in words is "five hundred four million, four hundred seventy-four thousand, nine hundred eighty-nine".