481322509 has 2 divisors, whose sum is σ = 481322510. Its totient is φ = 481322508.

The previous prime is 481322489. The next prime is 481322519. The reversal of 481322509 is 905223184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325622025 + 155700484 = 18045^2 + 12478^2 .

It is a cyclic number.

It is not a de Polignac number, because 481322509 - 2⁵ = 481322477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481322519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240661254 + 240661255.

It is an arithmetic number, because the mean of its divisors is an integer number (240661255).

Almost surely, 2^481322509 is an apocalyptic number.

It is an amenable number.

481322509 is a deficient number, since it is larger than the sum of its proper divisors (1).

481322509 is an equidigital number, since it uses as much as digits as its factorization.

481322509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 481322509 is about 21939.0635397229. The cubic root of 481322509 is about 783.6919587809.

The spelling of 481322509 in words is "four hundred eighty-one million, three hundred twenty-two thousand, five hundred nine".