42519895 has 16 divisors (see below), whose sum is σ = 55804320. Its totient is φ = 30844800.

The previous prime is 42519877. The next prime is 42519923. The reversal of 42519895 is 59891524.

42519895 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 42519895 - 2⁵ = 42519863 is a prime.

It is a super-2 number, since 2×42519895² = 3615882941622050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 29041 + ... + 30469.

It is an arithmetic number, because the mean of its divisors is an integer number (3487770).

Almost surely, 2^42519895 is an apocalyptic number.

42519895 is a deficient number, since it is larger than the sum of its proper divisors (13284425).

42519895 is a wasteful number, since it uses less digits than its factorization.

42519895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986.

The product of its digits is 129600, while the sum is 43.

The square root of 42519895 is about 6520.7281035173. The cubic root of 42519895 is about 349.0310478860.

The spelling of 42519895 in words is "forty-two million, five hundred nineteen thousand, eight hundred ninety-five".