42203541 has 16 divisors (see below), whose sum is σ = 59371200. Its totient is φ = 26592768.

The previous prime is 42203531. The next prime is 42203543. The reversal of 42203541 is 14530224.

It is not a de Polignac number, because 42203541 - 2⁶ = 42203477 is a prime.

It is a super-2 number, since 2×42203541² = 3562277745877362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44965 + ... + 45893.

It is an arithmetic number, because the mean of its divisors is an integer number (3710700).

Almost surely, 2^42203541 is an apocalyptic number.

It is an amenable number.

42203541 is a deficient number, since it is larger than the sum of its proper divisors (17167659).

42203541 is a wasteful number, since it uses less digits than its factorization.

42203541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42203541 is about 6496.4252477805. The cubic root of 42203541 is about 348.1632788420.

Adding to 42203541 its reverse (14530224), we get a palindrome (56733765).

The spelling of 42203541 in words is "forty-two million, two hundred three thousand, five hundred forty-one".