42519507 has 16 divisors (see below), whose sum is σ = 59332608. Its totient is φ = 27051840.

The previous prime is 42519497. The next prime is 42519509. The reversal of 42519507 is 70591524.

42519507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42519507 - 2¹² = 42515411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42519509) 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 in 15 ways as a sum of consecutive naturals, for example, 3658 + ... + 9920.

It is an arithmetic number, because the mean of its divisors is an integer number (3708288).

Almost surely, 2^42519507 is an apocalyptic number.

42519507 is a deficient number, since it is larger than the sum of its proper divisors (16813101).

42519507 is a wasteful number, since it uses less digits than its factorization.

42519507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 42519507 is about 6520.6983521706. The cubic root of 42519507 is about 349.0299862304.

The spelling of 42519507 in words is "forty-two million, five hundred nineteen thousand, five hundred seven".