459875921 has 2 divisors, whose sum is σ = 459875922. Its totient is φ = 459875920.

The previous prime is 459875909. The next prime is 459875951. The reversal of 459875921 is 129578954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290225296 + 169650625 = 17036^2 + 13025^2 .

It is a cyclic number.

It is not a de Polignac number, because 459875921 - 2¹⁰ = 459874897 is a prime.

It is a super-2 number, since 2×459875921² = 422971725431196482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 459875921.

It is not a weakly prime, because it can be changed into another prime (459875951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229937960 + 229937961.

It is an arithmetic number, because the mean of its divisors is an integer number (229937961).

Almost surely, 2^459875921 is an apocalyptic number.

It is an amenable number.

459875921 is a deficient number, since it is larger than the sum of its proper divisors (1).

459875921 is an equidigital number, since it uses as much as digits as its factorization.

459875921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 50.

The square root of 459875921 is about 21444.7177878376. The cubic root of 459875921 is about 771.8748493960.

The spelling of 459875921 in words is "four hundred fifty-nine million, eight hundred seventy-five thousand, nine hundred twenty-one".