42451113 has 16 divisors (see below), whose sum is σ = 58810752. Its totient is φ = 27216000.

The previous prime is 42451069. The next prime is 42451117. The reversal of 42451113 is 31115424.

It is not a de Polignac number, because 42451113 - 2⁹ = 42450601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42451113.

It is not an unprimeable number, because it can be changed into a prime (42451117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6303 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (3675672).

Almost surely, 2^42451113 is an apocalyptic number.

It is an amenable number.

42451113 is a deficient number, since it is larger than the sum of its proper divisors (16359639).

42451113 is a wasteful number, since it uses less digits than its factorization.

42451113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976.

The product of its digits is 480, while the sum is 21.

The square root of 42451113 is about 6515.4518646062. The cubic root of 42451113 is about 348.8427437982.

Adding to 42451113 its reverse (31115424), we get a palindrome (73566537).

The spelling of 42451113 in words is "forty-two million, four hundred fifty-one thousand, one hundred thirteen".