2697397 has 2 divisors, whose sum is σ = 2697398. Its totient is φ = 2697396.

The previous prime is 2697389. The next prime is 2697413. The reversal of 2697397 is 7937962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 649636 = 1431^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 2697397 - 2³ = 2697389 is a prime.

2697397 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2697307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348698 + 1348699.

It is an arithmetic number, because the mean of its divisors is an integer number (1348699).

2^2697397 is an apocalyptic number.

It is an amenable number.

2697397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2697397 is an equidigital number, since it uses as much as digits as its factorization.

2697397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 43.

The square root of 2697397 is about 1642.3754138442. The cubic root of 2697397 is about 139.2029022659.

The spelling of 2697397 in words is "two million, six hundred ninety-seven thousand, three hundred ninety-seven".