42042351 has 8 divisors (see below), whose sum is σ = 60368560. Its totient is φ = 25872192.

The previous prime is 42042349. The next prime is 42042389. The reversal of 42042351 is 15324024.

42042351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42042351 - 2¹ = 42042349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538966 + ... + 539043.

It is an arithmetic number, because the mean of its divisors is an integer number (7546070).

Almost surely, 2^42042351 is an apocalyptic number.

42042351 is a deficient number, since it is larger than the sum of its proper divisors (18326209).

42042351 is a wasteful number, since it uses less digits than its factorization.

42042351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078025.

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

The square root of 42042351 is about 6484.0073257207. The cubic root of 42042351 is about 347.7194611164.

Adding to 42042351 its reverse (15324024), we get a palindrome (57366375).

It can be divided in two parts, 4204 and 2351, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 42042351 in words is "forty-two million, forty-two thousand, three hundred fifty-one".