2257571 has 2 divisors, whose sum is σ = 2257572. Its totient is φ = 2257570.

The previous prime is 2257559. The next prime is 2257579. The reversal of 2257571 is 1757522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2257571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2257579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128785 + 1128786.

It is an arithmetic number, because the mean of its divisors is an integer number (1128786).

2^2257571 is an apocalyptic number.

2257571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257571 is an equidigital number, since it uses as much as digits as its factorization.

2257571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4900, while the sum is 29.

The square root of 2257571 is about 1502.5215472665. The cubic root of 2257571 is about 131.1838802263.

The spelling of 2257571 in words is "two million, two hundred fifty-seven thousand, five hundred seventy-one".