2090597 has 2 divisors, whose sum is σ = 2090598. Its totient is φ = 2090596.

The previous prime is 2090593. The next prime is 2090603. The reversal of 2090597 is 7950902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2033476 + 57121 = 1426^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090597 - 2² = 2090593 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2090593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045298 + 1045299.

It is an arithmetic number, because the mean of its divisors is an integer number (1045299).

2^2090597 is an apocalyptic number.

It is an amenable number.

2090597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090597 is an equidigital number, since it uses as much as digits as its factorization.

2090597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 2090597 is about 1445.8896915049. The cubic root of 2090597 is about 127.8664989936.

The spelling of 2090597 in words is "two million, ninety thousand, five hundred ninety-seven".