459871481 has 4 divisors (see below), whose sum is σ = 462206052. Its totient is φ = 457536912.

The previous prime is 459871427. The next prime is 459871487. The reversal of 459871481 is 184178954.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 346555456 + 113316025 = 18616^2 + 10645^2 .

It is a cyclic number.

It is not a de Polignac number, because 459871481 - 2⁶ = 459871417 is a prime.

It is a super-2 number, since 2×459871481² = 422963558074266722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459871487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166990 + ... + 1167383.

It is an arithmetic number, because the mean of its divisors is an integer number (115551513).

Almost surely, 2^459871481 is an apocalyptic number.

It is an amenable number.

459871481 is a deficient number, since it is larger than the sum of its proper divisors (2334571).

459871481 is a wasteful number, since it uses less digits than its factorization.

459871481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334570.

The product of its digits is 322560, while the sum is 47.

The square root of 459871481 is about 21444.6142655913. The cubic root of 459871481 is about 771.8723652945.

The spelling of 459871481 in words is "four hundred fifty-nine million, eight hundred seventy-one thousand, four hundred eighty-one".