2678201 has 4 divisors (see below), whose sum is σ = 2735232. Its totient is φ = 2621172.

The previous prime is 2678177. The next prime is 2678209. The reversal of 2678201 is 1028762.

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 a de Polignac number, because none of the positive numbers 2^k-2678201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2678209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28445 + ... + 28538.

It is an arithmetic number, because the mean of its divisors is an integer number (683808).

2^2678201 is an apocalyptic number.

It is an amenable number.

2678201 is a deficient number, since it is larger than the sum of its proper divisors (57031).

2678201 is an equidigital number, since it uses as much as digits as its factorization.

2678201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57030.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2678201 is about 1636.5210050592. The cubic root of 2678201 is about 138.8719037955.

The spelling of 2678201 in words is "two million, six hundred seventy-eight thousand, two hundred one".