42695285 has 4 divisors (see below), whose sum is σ = 51234348. Its totient is φ = 34156224.

The previous prime is 42695273. The next prime is 42695287. The reversal of 42695285 is 58259624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32512804 + 10182481 = 5702^2 + 3191^2 .

It is a cyclic number.

It is not a de Polignac number, because 42695285 - 2⁴ = 42695269 is a prime.

It is a super-2 number, since 2×42695285² = 3645774722462450, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42695287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4269524 + ... + 4269533.

It is an arithmetic number, because the mean of its divisors is an integer number (12808587).

Almost surely, 2^42695285 is an apocalyptic number.

It is an amenable number.

42695285 is a deficient number, since it is larger than the sum of its proper divisors (8539063).

42695285 is an equidigital number, since it uses as much as digits as its factorization.

42695285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539062.

The product of its digits is 172800, while the sum is 41.

The square root of 42695285 is about 6534.1629150183. The cubic root of 42695285 is about 349.5102947364.

The spelling of 42695285 in words is "forty-two million, six hundred ninety-five thousand, two hundred eighty-five".