427266561 has 8 divisors (see below), whose sum is σ = 594457920. Its totient is φ = 272459792.

The previous prime is 427266529. The next prime is 427266641. The reversal of 427266561 is 165662724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427266561 - 2⁵ = 427266529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427266061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096066 + ... + 3096203.

It is an arithmetic number, because the mean of its divisors is an integer number (74307240).

Almost surely, 2^427266561 is an apocalyptic number.

It is an amenable number.

427266561 is a deficient number, since it is larger than the sum of its proper divisors (167191359).

427266561 is a wasteful number, since it uses less digits than its factorization.

427266561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192295.

The product of its digits is 120960, while the sum is 39.

The square root of 427266561 is about 20670.4272089379. The cubic root of 427266561 is about 753.1814842389.

The spelling of 427266561 in words is "four hundred twenty-seven million, two hundred sixty-six thousand, five hundred sixty-one".