42998003 has 4 divisors (see below), whose sum is σ = 43011768. Its totient is φ = 42984240.

The previous prime is 42997967. The next prime is 42998047. The reversal of 42998003 is 30089924.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42998003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42998093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (10752942).

Almost surely, 2^42998003 is an apocalyptic number.

42998003 is a deficient number, since it is larger than the sum of its proper divisors (13765).

42998003 is an equidigital number, since it uses as much as digits as its factorization.

42998003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 42998003 is about 6557.2862527116. The cubic root of 42998003 is about 350.3343824772.

The spelling of 42998003 in words is "forty-two million, nine hundred ninety-eight thousand, three".