42028351 has 2 divisors, whose sum is σ = 42028352. Its totient is φ = 42028350.

The previous prime is 42028339. The next prime is 42028367. The reversal of 42028351 is 15382024.

42028351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42028351 - 2¹⁷ = 41897279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42028331) 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 as a sum of consecutive naturals, namely, 21014175 + 21014176.

It is an arithmetic number, because the mean of its divisors is an integer number (21014176).

Almost surely, 2^42028351 is an apocalyptic number.

42028351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42028351 is an equidigital number, since it uses as much as digits as its factorization.

42028351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 42028351 is about 6482.9276565453. The cubic root of 42028351 is about 347.6808602549.

The spelling of 42028351 in words is "forty-two million, twenty-eight thousand, three hundred fifty-one".