2805497 has 2 divisors, whose sum is σ = 2805498. Its totient is φ = 2805496.

The previous prime is 2805487. The next prime is 2805511. The reversal of 2805497 is 7945082.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1597696 + 1207801 = 1264^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 2805497 - 2¹² = 2801401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2805457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402748 + 1402749.

It is an arithmetic number, because the mean of its divisors is an integer number (1402749).

2^2805497 is an apocalyptic number.

It is an amenable number.

2805497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805497 is an equidigital number, since it uses as much as digits as its factorization.

2805497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2805497 is about 1674.9617906090. The cubic root of 2805497 is about 141.0381500645.

The spelling of 2805497 in words is "two million, eight hundred five thousand, four hundred ninety-seven".