481285813 has 2 divisors, whose sum is σ = 481285814. Its totient is φ = 481285812.

The previous prime is 481285807. The next prime is 481285853. The reversal of 481285813 is 318582184.

It is an a-pointer prime, because the next prime (481285853) can be obtained adding 481285813 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468376164 + 12909649 = 21642^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 481285813 - 2²⁵ = 447731381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481285853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240642906 + 240642907.

It is an arithmetic number, because the mean of its divisors is an integer number (240642907).

Almost surely, 2^481285813 is an apocalyptic number.

It is an amenable number.

481285813 is a deficient number, since it is larger than the sum of its proper divisors (1).

481285813 is an equidigital number, since it uses as much as digits as its factorization.

481285813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 40.

The square root of 481285813 is about 21938.2272073201. The cubic root of 481285813 is about 783.6720420650.

The spelling of 481285813 in words is "four hundred eighty-one million, two hundred eighty-five thousand, eight hundred thirteen".