42824825 has 12 divisors (see below), whose sum is σ = 53621568. Its totient is φ = 33925200.

The previous prime is 42824813. The next prime is 42824839. The reversal of 42824825 is 52842824.

It is not a de Polignac number, because 42824825 - 2¹⁰ = 42823801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5741 + ... + 10890.

It is an arithmetic number, because the mean of its divisors is an integer number (4468464).

Almost surely, 2^42824825 is an apocalyptic number.

It is an amenable number.

42824825 is a deficient number, since it is larger than the sum of its proper divisors (10796743).

42824825 is a wasteful number, since it uses less digits than its factorization.

42824825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16744 (or 16739 counting only the distinct ones).

The product of its digits is 40960, while the sum is 35.

The square root of 42824825 is about 6544.0679244641. The cubic root of 42824825 is about 349.8634160942.

The spelling of 42824825 in words is "forty-two million, eight hundred twenty-four thousand, eight hundred twenty-five".