42999585 has 16 divisors (see below), whose sum is σ = 68881344. Its totient is φ = 22905792.

The previous prime is 42999569. The next prime is 42999601. The reversal of 42999585 is 58599924.

It is an interprime number because it is at equal distance from previous prime (42999569) and next prime (42999601).

It is not a de Polignac number, because 42999585 - 2⁴ = 42999569 is a prime.

It is a Curzon 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, 21279 + ... + 23211.

It is an arithmetic number, because the mean of its divisors is an integer number (4305084).

Almost surely, 2^42999585 is an apocalyptic number.

It is an amenable number.

42999585 is a deficient number, since it is larger than the sum of its proper divisors (25881759).

42999585 is a wasteful number, since it uses less digits than its factorization.

42999585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424.

The product of its digits is 1166400, while the sum is 51.

The square root of 42999585 is about 6557.4068807723. The cubic root of 42999585 is about 350.3386789729.

The spelling of 42999585 in words is "forty-two million, nine hundred ninety-nine thousand, five hundred eighty-five".