2601278 has 4 divisors (see below), whose sum is σ = 3901920. Its totient is φ = 1300638.

The previous prime is 2601259. The next prime is 2601281. The reversal of 2601278 is 8721062.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 650318 + ... + 650321.

It is an arithmetic number, because the mean of its divisors is an integer number (975480).

2^2601278 is an apocalyptic number.

2601278 is a deficient number, since it is larger than the sum of its proper divisors (1300642).

2601278 is a wasteful number, since it uses less digits than its factorization.

2601278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300641.

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

The square root of 2601278 is about 1612.8477919506. The cubic root of 2601278 is about 137.5294129915.

The spelling of 2601278 in words is "two million, six hundred one thousand, two hundred seventy-eight".