2575817 has 2 divisors, whose sum is σ = 2575818. Its totient is φ = 2575816.

The previous prime is 2575801. The next prime is 2575819. The reversal of 2575817 is 7185752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1597696 + 978121 = 1264^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575817 - 2⁴ = 2575801 is a prime.

Together with 2575819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2575819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287908 + 1287909.

It is an arithmetic number, because the mean of its divisors is an integer number (1287909).

2^2575817 is an apocalyptic number.

It is an amenable number.

2575817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575817 is an equidigital number, since it uses as much as digits as its factorization.

2575817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19600, while the sum is 35.

The square root of 2575817 is about 1604.9352011841. The cubic root of 2575817 is about 137.0792338296.

The spelling of 2575817 in words is "two million, five hundred seventy-five thousand, eight hundred seventeen".