42718253 has 8 divisors (see below), whose sum is σ = 44064000. Its totient is φ = 41390800.

The previous prime is 42718243. The next prime is 42718259. The reversal of 42718253 is 35281724.

42718253 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 42718253 - 2⁴ = 42718237 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 (42718259) 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, 248 + ... + 9246.

It is an arithmetic number, because the mean of its divisors is an integer number (5508000).

Almost surely, 2^42718253 is an apocalyptic number.

It is an amenable number.

42718253 is a deficient number, since it is larger than the sum of its proper divisors (1345747).

42718253 is a wasteful number, since it uses less digits than its factorization.

42718253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147.

The product of its digits is 13440, while the sum is 32.

The square root of 42718253 is about 6535.9202106513. The cubic root of 42718253 is about 349.5729567173.

Adding to 42718253 its reverse (35281724), we get a palindrome (77999977).

Subtracting from 42718253 its reverse (35281724), we obtain a square (7436529 = 2727²).

The spelling of 42718253 in words is "forty-two million, seven hundred eighteen thousand, two hundred fifty-three".