2857097 has 2 divisors, whose sum is σ = 2857098. Its totient is φ = 2857096.

The previous prime is 2857093. The next prime is 2857123. The reversal of 2857097 is 7907582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2483776 + 373321 = 1576^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 2857097 - 2² = 2857093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2857097.

It is not a weakly prime, because it can be changed into another prime (2857093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428548 + 1428549.

It is an arithmetic number, because the mean of its divisors is an integer number (1428549).

2^2857097 is an apocalyptic number.

It is an amenable number.

2857097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2857097 is an equidigital number, since it uses as much as digits as its factorization.

2857097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 2857097 is about 1690.2949446768. The cubic root of 2857097 is about 141.8975820369.

The spelling of 2857097 in words is "two million, eight hundred fifty-seven thousand, ninety-seven".