42294451 has 6 divisors (see below), whose sum is σ = 42562356. Its totient is φ = 42028200.

The previous prime is 42294449. The next prime is 42294479. The reversal of 42294451 is 15449224.

42294451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42294451 - 2¹ = 42294449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42294851) 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 5 ways as a sum of consecutive naturals, for example, 32116 + ... + 33406.

It is an arithmetic number, because the mean of its divisors is an integer number (7093726).

Almost surely, 2^42294451 is an apocalyptic number.

42294451 is a deficient number, since it is larger than the sum of its proper divisors (267905).

42294451 is an equidigital number, since it uses as much as digits as its factorization.

42294451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1472 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 42294451 is about 6503.4184088062. The cubic root of 42294451 is about 348.4130906145.

The spelling of 42294451 in words is "forty-two million, two hundred ninety-four thousand, four hundred fifty-one".