42824515 has 8 divisors (see below), whose sum is σ = 51424560. Its totient is φ = 34236192.

The previous prime is 42824491. The next prime is 42824533. The reversal of 42824515 is 51542824.

42824515 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 42824515 - 2²¹ = 40727363 is a prime.

It is an unprimeable number.

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, 12676 + ... + 15694.

It is an arithmetic number, because the mean of its divisors is an integer number (6428070).

Almost surely, 2^42824515 is an apocalyptic number.

42824515 is a deficient number, since it is larger than the sum of its proper divisors (8600045).

42824515 is a wasteful number, since it uses less digits than its factorization.

42824515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861.

The product of its digits is 12800, while the sum is 31.

The square root of 42824515 is about 6544.0442388480. The cubic root of 42824515 is about 349.8625718960.

The spelling of 42824515 in words is "forty-two million, eight hundred twenty-four thousand, five hundred fifteen".