2301997 has 2 divisors, whose sum is σ = 2301998. Its totient is φ = 2301996.

The previous prime is 2301989. The next prime is 2302009. The reversal of 2301997 is 7991032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2292196 + 9801 = 1514^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301997 - 2³ = 2301989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2301977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150998 + 1150999.

It is an arithmetic number, because the mean of its divisors is an integer number (1150999).

2^2301997 is an apocalyptic number.

It is an amenable number.

2301997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2301997 is an equidigital number, since it uses as much as digits as its factorization.

2301997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 2301997 is about 1517.2333373611. The cubic root of 2301997 is about 132.0388047834.

The spelling of 2301997 in words is "two million, three hundred one thousand, nine hundred ninety-seven".