42304351 has 2 divisors, whose sum is σ = 42304352. Its totient is φ = 42304350.

The previous prime is 42304349. The next prime is 42304363. The reversal of 42304351 is 15340324.

42304351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42304351 - 2¹ = 42304349 is a prime.

It is a super-2 number, since 2×42304351² = 3579316227062402, which contains 22 as substring.

Together with 42304349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42304321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21152175 + 21152176.

It is an arithmetic number, because the mean of its divisors is an integer number (21152176).

Almost surely, 2^42304351 is an apocalyptic number.

42304351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42304351 is an equidigital number, since it uses as much as digits as its factorization.

42304351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42304351 is about 6504.1795024430. The cubic root of 42304351 is about 348.4402732229.

Adding to 42304351 its reverse (15340324), we get a palindrome (57644675).

The spelling of 42304351 in words is "forty-two million, three hundred four thousand, three hundred fifty-one".