428526271 has 8 divisors (see below), whose sum is σ = 448691040. Its totient is φ = 408489312.

The previous prime is 428526269. The next prime is 428526277. The reversal of 428526271 is 172625824.

It is a happy number.

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 428526271 - 2¹ = 428526269 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 428526271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428526277) 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 7 ways as a sum of consecutive naturals, for example, 25056 + ... + 38533.

It is an arithmetic number, because the mean of its divisors is an integer number (56086380).

Almost surely, 2^428526271 is an apocalyptic number.

428526271 is a deficient number, since it is larger than the sum of its proper divisors (20164769).

428526271 is a wasteful number, since it uses less digits than its factorization.

428526271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63905.

The product of its digits is 53760, while the sum is 37.

The square root of 428526271 is about 20700.8760925715. The cubic root of 428526271 is about 753.9209596381.

The spelling of 428526271 in words is "four hundred twenty-eight million, five hundred twenty-six thousand, two hundred seventy-one".