481558657 has 2 divisors, whose sum is σ = 481558658. Its totient is φ = 481558656.

The previous prime is 481558631. The next prime is 481558691. The reversal of 481558657 is 756855184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244891201 + 236667456 = 15649^2 + 15384^2 .

It is a cyclic number.

It is not a de Polignac number, because 481558657 - 2¹⁹ = 481034369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481558657.

It is not a weakly prime, because it can be changed into another prime (481558697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240779328 + 240779329.

It is an arithmetic number, because the mean of its divisors is an integer number (240779329).

Almost surely, 2^481558657 is an apocalyptic number.

It is an amenable number.

481558657 is a deficient number, since it is larger than the sum of its proper divisors (1).

481558657 is an equidigital number, since it uses as much as digits as its factorization.

481558657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344000, while the sum is 49.

The square root of 481558657 is about 21944.4447867792. Note that the first 3 decimals coincide. The cubic root of 481558657 is about 783.8201036508.

The spelling of 481558657 in words is "four hundred eighty-one million, five hundred fifty-eight thousand, six hundred fifty-seven".