42035381 has 4 divisors (see below), whose sum is σ = 43012992. Its totient is φ = 41057772.

The previous prime is 42035369. The next prime is 42035393. The reversal of 42035381 is 18353024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (42035369) and next prime (42035393).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42035381 is a prime.

It is a super-2 number, since 2×42035381² = 3533946511630322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42035381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42035311) by changing a digit.

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, 488741 + ... + 488826.

It is an arithmetic number, because the mean of its divisors is an integer number (10753248).

Almost surely, 2^42035381 is an apocalyptic number.

It is an amenable number.

42035381 is a deficient number, since it is larger than the sum of its proper divisors (977611).

42035381 is an equidigital number, since it uses as much as digits as its factorization.

42035381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977610.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42035381 is about 6483.4698271836. The cubic root of 42035381 is about 347.7002444731.

The spelling of 42035381 in words is "forty-two million, thirty-five thousand, three hundred eighty-one".