2571427 has 2 divisors, whose sum is σ = 2571428. Its totient is φ = 2571426.

The previous prime is 2571421. The next prime is 2571449. The reversal of 2571427 is 7241752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2571427 - 2¹⁵ = 2538659 is a prime.

It is a super-2 number, since 2×2571427² = 13224473632658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2571395 and 2571404.

It is not a weakly prime, because it can be changed into another prime (2571421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285713 + 1285714.

It is an arithmetic number, because the mean of its divisors is an integer number (1285714).

2^2571427 is an apocalyptic number.

2571427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2571427 is an equidigital number, since it uses as much as digits as its factorization.

2571427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 28.

The square root of 2571427 is about 1603.5669614955. The cubic root of 2571427 is about 137.0013142112.

The spelling of 2571427 in words is "two million, five hundred seventy-one thousand, four hundred twenty-seven".