42617051 has 8 divisors (see below), whose sum is σ = 43381008. Its totient is φ = 41860000.

The previous prime is 42617041. The next prime is 42617059. The reversal of 42617051 is 15071624.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42617051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42617051.

It is not an unprimeable number, because it can be changed into a prime (42617059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11621 + ... + 14841.

It is an arithmetic number, because the mean of its divisors is an integer number (5422626).

Almost surely, 2^42617051 is an apocalyptic number.

42617051 is a deficient number, since it is larger than the sum of its proper divisors (763957).

42617051 is a wasteful number, since it uses less digits than its factorization.

42617051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 42617051 is about 6528.1736343330. The cubic root of 42617051 is about 349.2966856169.

Adding to 42617051 its reverse (15071624), we get a palindrome (57688675).

The spelling of 42617051 in words is "forty-two million, six hundred seventeen thousand, fifty-one".