6243542 has 4 divisors (see below), whose sum is σ = 9365316. Its totient is φ = 3121770.

The previous prime is 6243487. The next prime is 6243553. The reversal of 6243542 is 2453426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2453426 = 2 ⋅1226713.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560884 + ... + 1560887.

It is an arithmetic number, because the mean of its divisors is an integer number (2341329).

Almost surely, 2^6243542 is an apocalyptic number.

6243542 is a deficient number, since it is larger than the sum of its proper divisors (3121774).

6243542 is a wasteful number, since it uses less digits than its factorization.

6243542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121773.

The product of its digits is 5760, while the sum is 26.

The square root of 6243542 is about 2498.7080661814. The cubic root of 6243542 is about 184.1381091332.

Adding to 6243542 its reverse (2453426), we get a palindrome (8696968).

The spelling of 6243542 in words is "six million, two hundred forty-three thousand, five hundred forty-two".