2678571 has 48 divisors (see below), whose sum is σ = 4874688. Its totient is φ = 1382400.

The previous prime is 2678551. The next prime is 2678587. The reversal of 2678571 is 1758762.

It is not a de Polignac number, because 2678571 - 2⁵ = 2678539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2678551) 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 47 ways as a sum of consecutive naturals, for example, 43881 + ... + 43941.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

2^2678571 is an apocalyptic number.

2678571 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2678571 is a deficient number, since it is larger than the sum of its proper divisors (2196117).

2678571 is a wasteful number, since it uses less digits than its factorization.

2678571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 129 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 2678571 is about 1636.6340458392. The cubic root of 2678571 is about 138.8782986651.

It can be divided in two parts, 2678 and 571, that added together give a square (3249 = 57²).

The spelling of 2678571 in words is "two million, six hundred seventy-eight thousand, five hundred seventy-one".