42202403 has 4 divisors (see below), whose sum is σ = 42455280. Its totient is φ = 41949528.

The previous prime is 42202399. The next prime is 42202409. The reversal of 42202403 is 30420224.

42202403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42202403 - 2² = 42202399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42202409) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 126188 + ... + 126521.

It is an arithmetic number, because the mean of its divisors is an integer number (10613820).

Almost surely, 2^42202403 is an apocalyptic number.

42202403 is a deficient number, since it is larger than the sum of its proper divisors (252877).

42202403 is a wasteful number, since it uses less digits than its factorization.

42202403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252876.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 42202403 is about 6496.3376605592. The cubic root of 42202403 is about 348.1601494570.

Adding to 42202403 its reverse (30420224), we get a palindrome (72622627).

The spelling of 42202403 in words is "forty-two million, two hundred two thousand, four hundred three".