5081543 has 4 divisors (see below), whose sum is σ = 5218920. Its totient is φ = 4944168.

The previous prime is 5081519. The next prime is 5081561. The reversal of 5081543 is 3451805.

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

It is a cyclic number.

It is not a de Polignac number, because 5081543 - 2⁸ = 5081287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5081563) 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, 68633 + ... + 68706.

It is an arithmetic number, because the mean of its divisors is an integer number (1304730).

Almost surely, 2^5081543 is an apocalyptic number.

5081543 is a deficient number, since it is larger than the sum of its proper divisors (137377).

5081543 is a wasteful number, since it uses less digits than its factorization.

5081543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137376.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5081543 is about 2254.2278057020. The cubic root of 5081543 is about 171.9221637179.

The spelling of 5081543 in words is "five million, eighty-one thousand, five hundred forty-three".