481331839 has 2 divisors, whose sum is σ = 481331840. Its totient is φ = 481331838.

The previous prime is 481331813. The next prime is 481331861. The reversal of 481331839 is 938133184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481331839 - 2²¹ = 479234687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481331639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240665919 + 240665920.

It is an arithmetic number, because the mean of its divisors is an integer number (240665920).

Almost surely, 2^481331839 is an apocalyptic number.

481331839 is a deficient number, since it is larger than the sum of its proper divisors (1).

481331839 is an equidigital number, since it uses as much as digits as its factorization.

481331839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 481331839 is about 21939.2761731102. The cubic root of 481331839 is about 783.6970224673.

The spelling of 481331839 in words is "four hundred eighty-one million, three hundred thirty-one thousand, eight hundred thirty-nine".