42542203 has 8 divisors (see below), whose sum is σ = 48427776. Its totient is φ = 36993000.

The previous prime is 42542167. The next prime is 42542209. The reversal of 42542203 is 30224524.

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

It is not a de Polignac number, because 42542203 - 2⁹ = 42541691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42542209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83823 + ... + 84328.

It is an arithmetic number, because the mean of its divisors is an integer number (6053472).

Almost surely, 2^42542203 is an apocalyptic number.

42542203 is a deficient number, since it is larger than the sum of its proper divisors (5885573).

42542203 is a wasteful number, since it uses less digits than its factorization.

42542203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168185.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42542203 is about 6522.4384243931. The cubic root of 42542203 is about 349.0920767553.

Adding to 42542203 its reverse (30224524), we get a palindrome (72766727).

It can be divided in two parts, 42 and 542203, that added together give a palindrome (542245).

The spelling of 42542203 in words is "forty-two million, five hundred forty-two thousand, two hundred three".