5186542 has 4 divisors (see below), whose sum is σ = 7779816. Its totient is φ = 2593270.

The previous prime is 5186521. The next prime is 5186543. The reversal of 5186542 is 2456815.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5186543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1296634 + ... + 1296637.

It is an arithmetic number, because the mean of its divisors is an integer number (1944954).

Almost surely, 2^5186542 is an apocalyptic number.

5186542 is a deficient number, since it is larger than the sum of its proper divisors (2593274).

5186542 is a wasteful number, since it uses less digits than its factorization.

5186542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593273.

The product of its digits is 9600, while the sum is 31.

The square root of 5186542 is about 2277.3980767534. The cubic root of 5186542 is about 173.0982323823.

The spelling of 5186542 in words is "five million, one hundred eighty-six thousand, five hundred forty-two".