459385561 has 4 divisors (see below), whose sum is σ = 463678992. Its totient is φ = 455092132.

The previous prime is 459385547. The next prime is 459385573. The reversal of 459385561 is 165583954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 459385561 - 2⁵ = 459385529 is a prime.

It is a super-2 number, since 2×459385561² = 422070187310569442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459385541) 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, 2146555 + ... + 2146768.

It is an arithmetic number, because the mean of its divisors is an integer number (115919748).

Almost surely, 2^459385561 is an apocalyptic number.

It is an amenable number.

459385561 is a deficient number, since it is larger than the sum of its proper divisors (4293431).

459385561 is a wasteful number, since it uses less digits than its factorization.

459385561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293430.

The product of its digits is 648000, while the sum is 46.

The square root of 459385561 is about 21433.2816199480. The cubic root of 459385561 is about 771.6004049626.

The spelling of 459385561 in words is "four hundred fifty-nine million, three hundred eighty-five thousand, five hundred sixty-one".