481898917 has 2 divisors, whose sum is σ = 481898918. Its totient is φ = 481898916.

The previous prime is 481898903. The next prime is 481898927. The reversal of 481898917 is 719898184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473454081 + 8444836 = 21759^2 + 2906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481898917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481898927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240949458 + 240949459.

It is an arithmetic number, because the mean of its divisors is an integer number (240949459).

Almost surely, 2^481898917 is an apocalyptic number.

It is an amenable number.

481898917 is a deficient number, since it is larger than the sum of its proper divisors (1).

481898917 is an equidigital number, since it uses as much as digits as its factorization.

481898917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 55.

The square root of 481898917 is about 21952.1961771482. The cubic root of 481898917 is about 784.0046708775.

The spelling of 481898917 in words is "four hundred eighty-one million, eight hundred ninety-eight thousand, nine hundred seventeen".