2543162 has 8 divisors (see below), whose sum is σ = 3825300. Its totient is φ = 1268064.

The previous prime is 2543159. The next prime is 2543171. The reversal of 2543162 is 2613452.

It can be written as a sum of positive squares in 2 ways, for example, as 2531281 + 11881 = 1591^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737 + ... + 2372.

2^2543162 is an apocalyptic number.

2543162 is a deficient number, since it is larger than the sum of its proper divisors (1282138).

2543162 is a wasteful number, since it uses less digits than its factorization.

2543162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520.

The product of its digits is 1440, while the sum is 23.

The square root of 2543162 is about 1594.7294441378. The cubic root of 2543162 is about 136.4974930998.

The spelling of 2543162 in words is "two million, five hundred forty-three thousand, one hundred sixty-two".