42485503 has 4 divisors (see below), whose sum is σ = 42521248. Its totient is φ = 42449760.

The previous prime is 42485497. The next prime is 42485537. The reversal of 42485503 is 30558424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42485503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42485563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16026 + ... + 18487.

It is an arithmetic number, because the mean of its divisors is an integer number (10630312).

Almost surely, 2^42485503 is an apocalyptic number.

42485503 is a deficient number, since it is larger than the sum of its proper divisors (35745).

42485503 is a wasteful number, since it uses less digits than its factorization.

42485503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35744.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 42485503 is about 6518.0904412259. The cubic root of 42485503 is about 348.9369185090.

The spelling of 42485503 in words is "forty-two million, four hundred eighty-five thousand, five hundred three".