42417065 has 8 divisors (see below), whose sum is σ = 50935560. Its totient is φ = 33910272.

The previous prime is 42417043. The next prime is 42417103. The reversal of 42417065 is 56071424.

It can be written as a sum of positive squares in 4 ways, for example, as 1290496 + 41126569 = 1136^2 + 6413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42417065 - 2¹² = 42412969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11801 + ... + 14969.

It is an arithmetic number, because the mean of its divisors is an integer number (6366945).

Almost surely, 2^42417065 is an apocalyptic number.

It is an amenable number.

42417065 is a deficient number, since it is larger than the sum of its proper divisors (8518495).

42417065 is a wasteful number, since it uses less digits than its factorization.

42417065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42417065 is about 6512.8384748894. The cubic root of 42417065 is about 348.7494555132.

Adding to 42417065 its reverse (56071424), we get a palindrome (98488489).

The spelling of 42417065 in words is "forty-two million, four hundred seventeen thousand, sixty-five".