42306307 has 2 divisors, whose sum is σ = 42306308. Its totient is φ = 42306306.

The previous prime is 42306287. The next prime is 42306343. The reversal of 42306307 is 70360324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42306307 - 2¹¹ = 42304259 is a prime.

It is a super-2 number, since 2×42306307² = 3579647223956498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42306707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21153153 + 21153154.

It is an arithmetic number, because the mean of its divisors is an integer number (21153154).

Almost surely, 2^42306307 is an apocalyptic number.

42306307 is a deficient number, since it is larger than the sum of its proper divisors (1).

42306307 is an equidigital number, since it uses as much as digits as its factorization.

42306307 is an evil number, because the sum of its binary digits is even.

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

The square root of 42306307 is about 6504.3298655588. The cubic root of 42306307 is about 348.4456433456.

The spelling of 42306307 in words is "forty-two million, three hundred six thousand, three hundred seven".