5142542 has 8 divisors (see below), whose sum is σ = 7893336. Its totient is φ = 2511432.

The previous prime is 5142539. The next prime is 5142587. The reversal of 5142542 is 2452415.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29813 + ... + 29984.

It is an arithmetic number, because the mean of its divisors is an integer number (986667).

Almost surely, 2^5142542 is an apocalyptic number.

5142542 is a deficient number, since it is larger than the sum of its proper divisors (2750794).

5142542 is a wasteful number, since it uses less digits than its factorization.

5142542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59842.

The product of its digits is 1600, while the sum is 23.

The square root of 5142542 is about 2267.7173545219. The cubic root of 5142542 is about 172.6073489905.

Adding to 5142542 its reverse (2452415), we get a palindrome (7594957).

The spelling of 5142542 in words is "five million, one hundred forty-two thousand, five hundred forty-two".