42054231 has 8 divisors (see below), whose sum is σ = 56135664. Its totient is φ = 28004480.

The previous prime is 42054227. The next prime is 42054269. The reversal of 42054231 is 13245024.

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 42054231 - 2² = 42054227 is a prime.

It is a super-2 number, since 2×42054231² = 3537116690002722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42054198 and 42054207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054211) 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, 4626 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (7016958).

Almost surely, 2^42054231 is an apocalyptic number.

42054231 is a deficient number, since it is larger than the sum of its proper divisors (14081433).

42054231 is a wasteful number, since it uses less digits than its factorization.

42054231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15841.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42054231 is about 6484.9233611508. The cubic root of 42054231 is about 347.7522099841.

Adding to 42054231 its reverse (13245024), we get a palindrome (55299255).

The spelling of 42054231 in words is "forty-two million, fifty-four thousand, two hundred thirty-one".