42353215 has 8 divisors (see below), whose sum is σ = 51657408. Its totient is φ = 33326880.

The previous prime is 42353183. The next prime is 42353221. The reversal of 42353215 is 51235324.

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

It is not a de Polignac number, because 42353215 - 2⁵ = 42353183 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 42353215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69127 + ... + 69736.

It is an arithmetic number, because the mean of its divisors is an integer number (6457176).

Almost surely, 2^42353215 is an apocalyptic number.

42353215 is a deficient number, since it is larger than the sum of its proper divisors (9304193).

42353215 is a wasteful number, since it uses less digits than its factorization.

42353215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138929.

The product of its digits is 3600, while the sum is 25.

The square root of 42353215 is about 6507.9347722607. The cubic root of 42353215 is about 348.5743779024.

Adding to 42353215 its reverse (51235324), we get a palindrome (93588539).

The spelling of 42353215 in words is "forty-two million, three hundred fifty-three thousand, two hundred fifteen".