42995 has 4 divisors (see below), whose sum is σ = 51600. Its totient is φ = 34392.

The previous prime is 42989. The next prime is 43003. The reversal of 42995 is 59924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42995 - 2⁴ = 42979 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4295 + ... + 4304.

It is an arithmetic number, because the mean of its divisors is an integer number (12900).

2⁴²⁹⁹⁵ is an apocalyptic number.

42995 is a deficient number, since it is larger than the sum of its proper divisors (8605).

42995 is an equidigital number, since it uses as much as digits as its factorization.

42995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604.

The product of its digits is 3240, while the sum is 29.

The square root of 42995 is about 207.3523571122. The cubic root of 42995 is about 35.0326226450.

It can be divided in two parts, 429 and 95, that multiplied together give a triangular number (40755 = T₂₈₅).

The spelling of 42995 in words is "forty-two thousand, nine hundred ninety-five".