42428095 has 4 divisors (see below), whose sum is σ = 50913720. Its totient is φ = 33942472.

The previous prime is 42428093. The next prime is 42428147. The reversal of 42428095 is 59082424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42428095 - 2¹ = 42428093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42428095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42428093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4242805 + ... + 4242814.

It is an arithmetic number, because the mean of its divisors is an integer number (12728430).

Almost surely, 2^42428095 is an apocalyptic number.

42428095 is a deficient number, since it is larger than the sum of its proper divisors (8485625).

42428095 is an equidigital number, since it uses as much as digits as its factorization.

42428095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485624.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 42428095 is about 6513.6852088507. The cubic root of 42428095 is about 348.7796821300.

The spelling of 42428095 in words is "forty-two million, four hundred twenty-eight thousand, ninety-five".