42875515 has 16 divisors (see below), whose sum is σ = 53779968. Its totient is φ = 32782176.

The previous prime is 42875507. The next prime is 42875527. The reversal of 42875515 is 51557824.

It is a cyclic number.

It is not a de Polignac number, because 42875515 - 2³ = 42875507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7984 + ... + 12226.

It is an arithmetic number, because the mean of its divisors is an integer number (3361248).

Almost surely, 2^42875515 is an apocalyptic number.

42875515 is a deficient number, since it is larger than the sum of its proper divisors (10904453).

42875515 is a wasteful number, since it uses less digits than its factorization.

42875515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338.

The product of its digits is 56000, while the sum is 37.

The square root of 42875515 is about 6547.9397523190. The cubic root of 42875515 is about 350.0014013549.

The spelling of 42875515 in words is "forty-two million, eight hundred seventy-five thousand, five hundred fifteen".