42559003 has 6 divisors (see below), whose sum is σ = 43248476. Its totient is φ = 41871192.

The previous prime is 42558983. The next prime is 42559021. The reversal of 42559003 is 30095524.

It is not a de Polignac number, because 42559003 - 2²⁵ = 9004571 is a prime.

It is a super-2 number, since 2×42559003² = 3622537472708018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42559043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53001 + ... + 53797.

Almost surely, 2^42559003 is an apocalyptic number.

42559003 is a deficient number, since it is larger than the sum of its proper divisors (689473).

42559003 is an frugal number, since it uses more digits than its factorization.

42559003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 42559003 is about 6523.7261591823. The cubic root of 42559003 is about 349.1380230913.

It can be divided in two parts, 4255900 and 3, that added together give a triangular number (4255903 = T₂₉₁₇).

The spelling of 42559003 in words is "forty-two million, five hundred fifty-nine thousand, three".