42035421 has 8 divisors (see below), whose sum is σ = 58484160. Its totient is φ = 26805152.

The previous prime is 42035417. The next prime is 42035431. The reversal of 42035421 is 12453024.

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 42035421 - 2² = 42035417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42035431) 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, 304536 + ... + 304673.

It is an arithmetic number, because the mean of its divisors is an integer number (7310520).

Almost surely, 2^42035421 is an apocalyptic number.

It is an amenable number.

42035421 is a deficient number, since it is larger than the sum of its proper divisors (16448739).

42035421 is a wasteful number, since it uses less digits than its factorization.

42035421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609235.

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

The square root of 42035421 is about 6483.4729119508. The cubic root of 42035421 is about 347.7003547612.

Adding to 42035421 its reverse (12453024), we get a palindrome (54488445).

The spelling of 42035421 in words is "forty-two million, thirty-five thousand, four hundred twenty-one".