459484021 has 4 divisors (see below), whose sum is σ = 462140172. Its totient is φ = 456827872.

The previous prime is 459483989. The next prime is 459484043. The reversal of 459484021 is 120484954.

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 423783396 + 35700625 = 20586^2 + 5975^2 .

It is a cyclic number.

It is not a de Polignac number, because 459484021 - 2⁵ = 459483989 is a prime.

It is a super-2 number, since 2×459484021² = 422251131108656882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459481021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327816 + ... + 1328161.

It is an arithmetic number, because the mean of its divisors is an integer number (115535043).

Almost surely, 2^459484021 is an apocalyptic number.

It is an amenable number.

459484021 is a deficient number, since it is larger than the sum of its proper divisors (2656151).

459484021 is a wasteful number, since it uses less digits than its factorization.

459484021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656150.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 459484021 is about 21435.5783920099. The cubic root of 459484021 is about 771.6555266696.

The spelling of 459484021 in words is "four hundred fifty-nine million, four hundred eighty-four thousand, twenty-one".