42352319 has 2 divisors, whose sum is σ = 42352320. Its totient is φ = 42352318.

The previous prime is 42352301. The next prime is 42352339. The reversal of 42352319 is 91325324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42352319 is a prime.

It is a super-2 number, since 2×42352319² = 3587437849355522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 42352291 and 42352300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42352339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21176159 + 21176160.

It is an arithmetic number, because the mean of its divisors is an integer number (21176160).

Almost surely, 2^42352319 is an apocalyptic number.

42352319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42352319 is an equidigital number, since it uses as much as digits as its factorization.

42352319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 42352319 is about 6507.8659328539. The cubic root of 42352319 is about 348.5719198061.

The spelling of 42352319 in words is "forty-two million, three hundred fifty-two thousand, three hundred nineteen".