427571 has 4 divisors (see below), whose sum is σ = 429600. Its totient is φ = 425544.

The previous prime is 427541. The next prime is 427579. The reversal of 427571 is 175724.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427571.

It is not an unprimeable number, because it can be changed into a prime (427579) 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, 656 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (107400).

2⁴²⁷⁵⁷¹ is an apocalyptic number.

427571 is a deficient number, since it is larger than the sum of its proper divisors (2029).

427571 is a wasteful number, since it uses less digits than its factorization.

427571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028.

The product of its digits is 1960, while the sum is 26.

The square root of 427571 is about 653.8891343339. The cubic root of 427571 is about 75.3360329172.

The spelling of 427571 in words is "four hundred twenty-seven thousand, five hundred seventy-one".