4172542 has 8 divisors (see below), whose sum is σ = 6827832. Its totient is φ = 1896600.

The previous prime is 4172537. The next prime is 4172551. The reversal of 4172542 is 2452714.

4172542 is nontrivially palindromic in base 9.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94809 + ... + 94852.

It is an arithmetic number, because the mean of its divisors is an integer number (853479).

Almost surely, 2^4172542 is an apocalyptic number.

4172542 is a deficient number, since it is larger than the sum of its proper divisors (2655290).

4172542 is a wasteful number, since it uses less digits than its factorization.

4172542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189674.

The product of its digits is 2240, while the sum is 25.

The square root of 4172542 is about 2042.6801022187. The cubic root of 4172542 is about 160.9904962048.

The spelling of 4172542 in words is "four million, one hundred seventy-two thousand, five hundred forty-two".