42416565 has 16 divisors (see below), whose sum is σ = 68136768. Its totient is φ = 22532096.

The previous prime is 42416557. The next prime is 42416573. The reversal of 42416565 is 56561424.

It is an interprime number because it is at equal distance from previous prime (42416557) and next prime (42416573).

It is a cyclic number.

It is not a de Polignac number, because 42416565 - 2³ = 42416557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1647 + ... + 9356.

It is an arithmetic number, because the mean of its divisors is an integer number (4258548).

Almost surely, 2^42416565 is an apocalyptic number.

It is an amenable number.

42416565 is a deficient number, since it is larger than the sum of its proper divisors (25720203).

42416565 is a wasteful number, since it uses less digits than its factorization.

42416565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268.

The product of its digits is 28800, while the sum is 33.

The square root of 42416565 is about 6512.8000890554. The cubic root of 42416565 is about 348.7480851888.

Adding to 42416565 its reverse (56561424), we get a palindrome (98977989).

The spelling of 42416565 in words is "forty-two million, four hundred sixteen thousand, five hundred sixty-five".