481844557 has 2 divisors, whose sum is σ = 481844558. Its totient is φ = 481844556.

The previous prime is 481844509. The next prime is 481844663. The reversal of 481844557 is 755448184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257474116 + 224370441 = 16046^2 + 14979^2 .

It is a cyclic number.

It is not a de Polignac number, because 481844557 - 2¹⁵ = 481811789 is a prime.

It is a super-2 number, since 2×481844557² = 464348354221052498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481844507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240922278 + 240922279.

It is an arithmetic number, because the mean of its divisors is an integer number (240922279).

Almost surely, 2^481844557 is an apocalyptic number.

It is an amenable number.

481844557 is a deficient number, since it is larger than the sum of its proper divisors (1).

481844557 is an equidigital number, since it uses as much as digits as its factorization.

481844557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 716800, while the sum is 46.

The square root of 481844557 is about 21950.9579973176. The cubic root of 481844557 is about 783.9751902160.

The spelling of 481844557 in words is "four hundred eighty-one million, eight hundred forty-four thousand, five hundred fifty-seven".