42603307 has 2 divisors, whose sum is σ = 42603308. Its totient is φ = 42603306.

The previous prime is 42603299. The next prime is 42603329. The reversal of 42603307 is 70330624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42603307 - 2³ = 42603299 is a prime.

It is not a weakly prime, because it can be changed into another prime (42603347) 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 as a sum of consecutive naturals, namely, 21301653 + 21301654.

It is an arithmetic number, because the mean of its divisors is an integer number (21301654).

Almost surely, 2^42603307 is an apocalyptic number.

42603307 is a deficient number, since it is larger than the sum of its proper divisors (1).

42603307 is an equidigital number, since it uses as much as digits as its factorization.

42603307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 42603307 is about 6527.1208813688. The cubic root of 42603307 is about 349.2591321831.

The spelling of 42603307 in words is "forty-two million, six hundred three thousand, three hundred seven".