42560519 has 2 divisors, whose sum is σ = 42560520. Its totient is φ = 42560518.

The previous prime is 42560473. The next prime is 42560647. The reversal of 42560519 is 91506524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42560519 - 2⁸ = 42560263 is a prime.

It is a super-2 number, since 2×42560519² = 3622795555098722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42562519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21280259 + 21280260.

It is an arithmetic number, because the mean of its divisors is an integer number (21280260).

Almost surely, 2^42560519 is an apocalyptic number.

42560519 is a deficient number, since it is larger than the sum of its proper divisors (1).

42560519 is an equidigital number, since it uses as much as digits as its factorization.

42560519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 42560519 is about 6523.8423494134. The cubic root of 42560519 is about 349.1421686063.

The spelling of 42560519 in words is "forty-two million, five hundred sixty thousand, five hundred nineteen".