2011297 has 8 divisors (see below), whose sum is σ = 2071656. Its totient is φ = 1951872.

The previous prime is 2011291. The next prime is 2011309. The reversal of 2011297 is 7921102.

It can be written as a sum of positive squares in 4 ways, for example, as 266256 + 1745041 = 516^2 + 1321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011297 - 2¹⁹ = 1487009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7123 + ... + 7399.

It is an arithmetic number, because the mean of its divisors is an integer number (258957).

2^2011297 is an apocalyptic number.

It is an amenable number.

2011297 is a deficient number, since it is larger than the sum of its proper divisors (60359).

2011297 is a wasteful number, since it uses less digits than its factorization.

2011297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 2011297 is about 1418.2020307417. The cubic root of 2011297 is about 126.2288818711.

Adding to 2011297 its reverse (7921102), we get a palindrome (9932399).

The spelling of 2011297 in words is "two million, eleven thousand, two hundred ninety-seven".