42712003 has 2 divisors, whose sum is σ = 42712004. Its totient is φ = 42712002.

The previous prime is 42711959. The next prime is 42712009. The reversal of 42712003 is 30021724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42712003 - 2²⁵ = 9157571 is a prime.

It is not a weakly prime, because it can be changed into another prime (42712009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21356001 + 21356002.

It is an arithmetic number, because the mean of its divisors is an integer number (21356002).

Almost surely, 2^42712003 is an apocalyptic number.

42712003 is a deficient number, since it is larger than the sum of its proper divisors (1).

42712003 is an equidigital number, since it uses as much as digits as its factorization.

42712003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 42712003 is about 6535.4420661498. The cubic root of 42712003 is about 349.5559075062. Note that the first 3 decimals are identical.

Adding to 42712003 its reverse (30021724), we get a palindrome (72733727).

The spelling of 42712003 in words is "forty-two million, seven hundred twelve thousand, three".