2645279 has 16 divisors (see below), whose sum is σ = 3339840. Its totient is φ = 2039040.

The previous prime is 2645267. The next prime is 2645297. The reversal of 2645279 is 9725462.

2645279 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2645279 - 2⁴ = 2645263 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6⁷ + 4⁹ + 5⁵ + 2²¹ + 7⁴ + 9 .

2645279 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3377 + ... + 4085.

It is an arithmetic number, because the mean of its divisors is an integer number (208740).

2^2645279 is an apocalyptic number.

2645279 is a deficient number, since it is larger than the sum of its proper divisors (694561).

2645279 is a wasteful number, since it uses less digits than its factorization.

2645279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its digits is 30240, while the sum is 35.

The square root of 2645279 is about 1626.4313695942. The cubic root of 2645279 is about 138.3005247915.

The spelling of 2645279 in words is "two million, six hundred forty-five thousand, two hundred seventy-nine".