42630359 has 2 divisors, whose sum is σ = 42630360. Its totient is φ = 42630358.

The previous prime is 42630347. The next prime is 42630397. The reversal of 42630359 is 95303624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42630359 - 2¹² = 42626263 is a prime.

It is a Sophie Germain 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 (42630659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21315179 + 21315180.

It is an arithmetic number, because the mean of its divisors is an integer number (21315180).

Almost surely, 2^42630359 is an apocalyptic number.

42630359 is a deficient number, since it is larger than the sum of its proper divisors (1).

42630359 is an equidigital number, since it uses as much as digits as its factorization.

42630359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 42630359 is about 6529.1928291329. The cubic root of 42630359 is about 349.3330400526. Note that the first 3 decimals are identical.

The spelling of 42630359 in words is "forty-two million, six hundred thirty thousand, three hundred fifty-nine".