2628131 has 4 divisors (see below), whose sum is σ = 2867064. Its totient is φ = 2389200.

The previous prime is 2628127. The next prime is 2628133. The reversal of 2628131 is 1318262.

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

It is not a de Polignac number, because 2628131 - 2² = 2628127 is a prime.

It is a super-2 number, since 2×2628131² = 13814145106322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2628097 and 2628106.

It is not an unprimeable number, because it can be changed into a prime (2628133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119450 + ... + 119471.

It is an arithmetic number, because the mean of its divisors is an integer number (716766).

2^2628131 is an apocalyptic number.

2628131 is a deficient number, since it is larger than the sum of its proper divisors (238933).

2628131 is a wasteful number, since it uses less digits than its factorization.

2628131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238932.

The product of its digits is 576, while the sum is 23.

The square root of 2628131 is about 1621.1511342253. The cubic root of 2628131 is about 138.0010326885.

The spelling of 2628131 in words is "two million, six hundred twenty-eight thousand, one hundred thirty-one".