481481731 has 2 divisors, whose sum is σ = 481481732. Its totient is φ = 481481730.

The previous prime is 481481719. The next prime is 481481761. The reversal of 481481731 is 137184184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481481731 - 2¹¹ = 481479683 is a prime.

It is a super-2 number, since 2×481481731² = 463649314573512722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (481481761) 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, 240740865 + 240740866.

It is an arithmetic number, because the mean of its divisors is an integer number (240740866).

Almost surely, 2^481481731 is an apocalyptic number.

481481731 is a deficient number, since it is larger than the sum of its proper divisors (1).

481481731 is an equidigital number, since it uses as much as digits as its factorization.

481481731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 37.

The square root of 481481731 is about 21942.6919724996. The cubic root of 481481731 is about 783.7783646329.

The spelling of 481481731 in words is "four hundred eighty-one million, four hundred eighty-one thousand, seven hundred thirty-one".