42407303 has 2 divisors, whose sum is σ = 42407304. Its totient is φ = 42407302.

The previous prime is 42407257. The next prime is 42407327. The reversal of 42407303 is 30370424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42407303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42407353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21203651 + 21203652.

It is an arithmetic number, because the mean of its divisors is an integer number (21203652).

Almost surely, 2^42407303 is an apocalyptic number.

42407303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42407303 is an equidigital number, since it uses as much as digits as its factorization.

42407303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 42407303 is about 6512.0889889497. The cubic root of 42407303 is about 348.7226993527.

Adding to 42407303 its reverse (30370424), we get a palindrome (72777727).

The spelling of 42407303 in words is "forty-two million, four hundred seven thousand, three hundred three".