2660901 has 4 divisors (see below), whose sum is σ = 3547872. Its totient is φ = 1773932.

The previous prime is 2660899. The next prime is 2660963. The reversal of 2660901 is 1090662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2660901 - 2¹ = 2660899 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443481 + ... + 443486.

It is an arithmetic number, because the mean of its divisors is an integer number (886968).

2^2660901 is an apocalyptic number.

It is an amenable number.

2660901 is a deficient number, since it is larger than the sum of its proper divisors (886971).

2660901 is an equidigital number, since it uses as much as digits as its factorization.

2660901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886970.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 2660901 is about 1631.2268389160. The cubic root of 2660901 is about 138.5722405046.

The spelling of 2660901 in words is "two million, six hundred sixty thousand, nine hundred one".