42917003 has 4 divisors (see below), whose sum is σ = 44076960. Its totient is φ = 41757048.

The previous prime is 42916999. The next prime is 42917009. The reversal of 42917003 is 30071924.

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 42917003 - 2² = 42916999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42917009) 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, 579923 + ... + 579996.

It is an arithmetic number, because the mean of its divisors is an integer number (11019240).

Almost surely, 2^42917003 is an apocalyptic number.

42917003 is a deficient number, since it is larger than the sum of its proper divisors (1159957).

42917003 is a wasteful number, since it uses less digits than its factorization.

42917003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159956.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 42917003 is about 6551.1070056900. The cubic root of 42917003 is about 350.1142565747.

Adding to 42917003 its reverse (30071924), we get a palindrome (72988927).

The spelling of 42917003 in words is "forty-two million, nine hundred seventeen thousand, three".