459245861 has 2 divisors, whose sum is σ = 459245862. Its totient is φ = 459245860.

The previous prime is 459245851. The next prime is 459245869. The reversal of 459245861 is 168542954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459244900 + 961 = 21430^2 + 31^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-459245861 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459245869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229622930 + 229622931.

It is an arithmetic number, because the mean of its divisors is an integer number (229622931).

Almost surely, 2^459245861 is an apocalyptic number.

It is an amenable number.

459245861 is a deficient number, since it is larger than the sum of its proper divisors (1).

459245861 is an equidigital number, since it uses as much as digits as its factorization.

459245861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 44.

The square root of 459245861 is about 21430.0224218268. The cubic root of 459245861 is about 771.5221819954.

The spelling of 459245861 in words is "four hundred fifty-nine million, two hundred forty-five thousand, eight hundred sixty-one".