571428427 has 2 divisors, whose sum is σ = 571428428. Its totient is φ = 571428426.

The previous prime is 571428421. The next prime is 571428433. The reversal of 571428427 is 724824175.

It is a balanced prime because it is at equal distance from previous prime (571428421) and next prime (571428433).

It is a cyclic number.

It is not a de Polignac number, because 571428427 - 2¹⁵ = 571395659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 571428427.

It is not a weakly prime, because it can be changed into another prime (571428421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285714213 + 285714214.

It is an arithmetic number, because the mean of its divisors is an integer number (285714214).

Almost surely, 2^571428427 is an apocalyptic number.

571428427 is a deficient number, since it is larger than the sum of its proper divisors (1).

571428427 is an equidigital number, since it uses as much as digits as its factorization.

571428427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 40.

The square root of 571428427 is about 23904.5691657474. The cubic root of 571428427 is about 829.8264634534.

The spelling of 571428427 in words is "five hundred seventy-one million, four hundred twenty-eight thousand, four hundred twenty-seven".