42493403 has 4 divisors (see below), whose sum is σ = 42517920. Its totient is φ = 42468888.

The previous prime is 42493391. The next prime is 42493411. The reversal of 42493403 is 30439424.

42493403 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 42493403 - 2⁸ = 42493147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42493453) 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, 9443 + ... + 13196.

It is an arithmetic number, because the mean of its divisors is an integer number (10629480).

Almost surely, 2^42493403 is an apocalyptic number.

42493403 is a deficient number, since it is larger than the sum of its proper divisors (24517).

42493403 is a wasteful number, since it uses less digits than its factorization.

42493403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24516.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 42493403 is about 6518.6964187635. The cubic root of 42493403 is about 348.9585449511.

The spelling of 42493403 in words is "forty-two million, four hundred ninety-three thousand, four hundred three".