42603 has 8 divisors (see below), whose sum is σ = 62016. Its totient is φ = 25800.

The previous prime is 42589. The next prime is 42611. The reversal of 42603 is 30624.

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

It is not a de Polignac number, because 42603 - 2⁵ = 42571 is a prime.

It is an Ulam number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42603.

It is not an unprimeable number, because it can be changed into a prime (42643) 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, 613 + ... + 678.

It is an arithmetic number, because the mean of its divisors is an integer number (7752).

2⁴²⁶⁰³ is an apocalyptic number.

42603 is a deficient number, since it is larger than the sum of its proper divisors (19413).

42603 is a wasteful number, since it uses less digits than its factorization.

42603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42603 is about 206.4049418013. The cubic root of 42603 is about 34.9258293259.

The spelling of 42603 in words is "forty-two thousand, six hundred three".