42634613 has 8 divisors (see below), whose sum is σ = 51289920. Its totient is φ = 34620480.

The previous prime is 42634591. The next prime is 42634621. The reversal of 42634613 is 31643624.

42634613 is nontrivially palindromic in base 13.

42634613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42634613 - 2¹⁰ = 42633589 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 (42634643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160148 + ... + 160413.

It is an arithmetic number, because the mean of its divisors is an integer number (6411240).

Almost surely, 2^42634613 is an apocalyptic number.

It is an amenable number.

42634613 is a deficient number, since it is larger than the sum of its proper divisors (8655307).

42634613 is a wasteful number, since it uses less digits than its factorization.

42634613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320587.

The product of its digits is 10368, while the sum is 29.

The square root of 42634613 is about 6529.5185886863. The cubic root of 42634613 is about 349.3446594193.

The spelling of 42634613 in words is "forty-two million, six hundred thirty-four thousand, six hundred thirteen".