504421033 has 2 divisors, whose sum is σ = 504421034. Its totient is φ = 504421032.

The previous prime is 504420979. The next prime is 504421051. The reversal of 504421033 is 330124405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426505104 + 77915929 = 20652^2 + 8827^2 .

It is a cyclic number.

It is not a de Polignac number, because 504421033 - 2²⁵ = 470866601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 504420995 and 504421013.

It is not a weakly prime, because it can be changed into another prime (504421733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252210516 + 252210517.

It is an arithmetic number, because the mean of its divisors is an integer number (252210517).

Almost surely, 2^504421033 is an apocalyptic number.

It is an amenable number.

504421033 is a deficient number, since it is larger than the sum of its proper divisors (1).

504421033 is an equidigital number, since it uses as much as digits as its factorization.

504421033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 504421033 is about 22459.3195132889. The cubic root of 504421033 is about 796.0329823333.

Adding to 504421033 its reverse (330124405), we get a palindrome (834545438).

The spelling of 504421033 in words is "five hundred four million, four hundred twenty-one thousand, thirty-three".