481209229 has 2 divisors, whose sum is σ = 481209230. Its totient is φ = 481209228.

The previous prime is 481209163. The next prime is 481209241. The reversal of 481209229 is 922902184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478953225 + 2256004 = 21885^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 481209229 - 2¹³ = 481201037 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 (481209269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240604614 + 240604615.

It is an arithmetic number, because the mean of its divisors is an integer number (240604615).

Almost surely, 2^481209229 is an apocalyptic number.

It is an amenable number.

481209229 is a deficient number, since it is larger than the sum of its proper divisors (1).

481209229 is an equidigital number, since it uses as much as digits as its factorization.

481209229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 481209229 is about 21936.4816914655. The cubic root of 481209229 is about 783.6304729172.

The spelling of 481209229 in words is "four hundred eighty-one million, two hundred nine thousand, two hundred twenty-nine".