42426065 has 16 divisors (see below), whose sum is σ = 55667520. Its totient is φ = 30784320.

The previous prime is 42426061. The next prime is 42426071. The reversal of 42426065 is 56062424.

It is not a de Polignac number, because 42426065 - 2² = 42426061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42426061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41126 + ... + 42144.

It is an arithmetic number, because the mean of its divisors is an integer number (3479220).

Almost surely, 2^42426065 is an apocalyptic number.

It is an amenable number.

42426065 is a deficient number, since it is larger than the sum of its proper divisors (13241455).

42426065 is a wasteful number, since it uses less digits than its factorization.

42426065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 42426065 is about 6513.5293812188. The cubic root of 42426065 is about 348.7741195105.

Adding to 42426065 its reverse (56062424), we get a palindrome (98488489).

The spelling of 42426065 in words is "forty-two million, four hundred twenty-six thousand, sixty-five".