2543165134 has 4 divisors (see below), whose sum is σ = 3814747704. Its totient is φ = 1271582566.

The previous prime is 2543165129. The next prime is 2543165147. The reversal of 2543165134 is 4315613452.

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

It is a super-3 number, since 3×2543165134³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2543165134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635791282 + ... + 635791285.

It is an arithmetic number, because the mean of its divisors is an integer number (953686926).

Almost surely, 2^2543165134 is an apocalyptic number.

2543165134 is a deficient number, since it is larger than the sum of its proper divisors (1271582570).

2543165134 is a wasteful number, since it uses less digits than its factorization.

2543165134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271582569.

The product of its digits is 43200, while the sum is 34.

The square root of 2543165134 is about 50429.8040250009. The cubic root of 2543165134 is about 1364.9754916950.

Adding to 2543165134 its reverse (4315613452), we get a palindrome (6858778586).

The spelling of 2543165134 in words is "two billion, five hundred forty-three million, one hundred sixty-five thousand, one hundred thirty-four".