2661297 has 8 divisors (see below), whose sum is σ = 3562944. Its totient is φ = 1766928.

The previous prime is 2661283. The next prime is 2661317. The reversal of 2661297 is 7921662.

2661297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2661297 - 2⁶ = 2661233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2661097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (445368).

2^2661297 is an apocalyptic number.

It is an amenable number.

2661297 is a deficient number, since it is larger than the sum of its proper divisors (901647).

2661297 is a wasteful number, since it uses less digits than its factorization.

2661297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639.

The product of its digits is 9072, while the sum is 33.

The square root of 2661297 is about 1631.3482154341. The cubic root of 2661297 is about 138.5791143524.

The spelling of 2661297 in words is "two million, six hundred sixty-one thousand, two hundred ninety-seven".