481381013 has 2 divisors, whose sum is σ = 481381014. Its totient is φ = 481381012.

The previous prime is 481380983. The next prime is 481381031. The reversal of 481381013 is 310183184.

Together with next prime (481381031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363397969 + 117983044 = 19063^2 + 10862^2 .

It is a cyclic number.

It is not a de Polignac number, because 481381013 - 2¹⁰ = 481379989 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 (481381213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240690506 + 240690507.

It is an arithmetic number, because the mean of its divisors is an integer number (240690507).

Almost surely, 2^481381013 is an apocalyptic number.

It is an amenable number.

481381013 is a deficient number, since it is larger than the sum of its proper divisors (1).

481381013 is an equidigital number, since it uses as much as digits as its factorization.

481381013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 481381013 is about 21940.3968286811. The cubic root of 481381013 is about 783.7237096728.

The spelling of 481381013 in words is "four hundred eighty-one million, three hundred eighty-one thousand, thirteen".