42081293 has 8 divisors (see below), whose sum is σ = 43753920. Its totient is φ = 40439520.

The previous prime is 42081241. The next prime is 42081301. The reversal of 42081293 is 39218024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42081293 - 2¹⁴ = 42064909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42081493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4913 + ... + 10406.

It is an arithmetic number, because the mean of its divisors is an integer number (5469240).

Almost surely, 2^42081293 is an apocalyptic number.

It is an amenable number.

42081293 is a deficient number, since it is larger than the sum of its proper divisors (1672627).

42081293 is a wasteful number, since it uses less digits than its factorization.

42081293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 42081293 is about 6487.0095575697. The cubic root of 42081293 is about 347.8267871206.

The spelling of 42081293 in words is "forty-two million, eighty-one thousand, two hundred ninety-three".