2547279 has 12 divisors (see below), whose sum is σ = 4205136. Its totient is φ = 1455552.

The previous prime is 2547271. The next prime is 2547313. The reversal of 2547279 is 9727452.

It is not a de Polignac number, because 2547279 - 2³ = 2547271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20154 + ... + 20279.

It is an arithmetic number, because the mean of its divisors is an integer number (350428).

2^2547279 is an apocalyptic number.

2547279 is a deficient number, since it is larger than the sum of its proper divisors (1657857).

2547279 is a wasteful number, since it uses less digits than its factorization.

2547279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40446 (or 40443 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 2547279 is about 1596.0197367201. The cubic root of 2547279 is about 136.5711097508.

The spelling of 2547279 in words is "two million, five hundred forty-seven thousand, two hundred seventy-nine".