42417311 has 4 divisors (see below), whose sum is σ = 42894000. Its totient is φ = 41940624.

The previous prime is 42417251. The next prime is 42417337. The reversal of 42417311 is 11371424.

It is a happy number.

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 42417311 - 2²² = 38223007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42417371) 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, 238211 + ... + 238388.

It is an arithmetic number, because the mean of its divisors is an integer number (10723500).

Almost surely, 2^42417311 is an apocalyptic number.

42417311 is a deficient number, since it is larger than the sum of its proper divisors (476689).

42417311 is an equidigital number, since it uses as much as digits as its factorization.

42417311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476688.

The product of its digits is 672, while the sum is 23.

The square root of 42417311 is about 6512.8573606367. The cubic root of 42417311 is about 348.7501297088.

Adding to 42417311 its reverse (11371424), we get a palindrome (53788735).

The spelling of 42417311 in words is "forty-two million, four hundred seventeen thousand, three hundred eleven".