42519343 has 2 divisors, whose sum is σ = 42519344. Its totient is φ = 42519342.

The previous prime is 42519319. The next prime is 42519371. The reversal of 42519343 is 34391524.

42519343 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 42519343 - 2⁵ = 42519311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42519643) 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, 21259671 + 21259672.

It is an arithmetic number, because the mean of its divisors is an integer number (21259672).

Almost surely, 2^42519343 is an apocalyptic number.

42519343 is a deficient number, since it is larger than the sum of its proper divisors (1).

42519343 is an equidigital number, since it uses as much as digits as its factorization.

42519343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 42519343 is about 6520.6857768183. The cubic root of 42519343 is about 349.0295374874.

The spelling of 42519343 in words is "forty-two million, five hundred nineteen thousand, three hundred forty-three".