825242 has 8 divisors (see below), whose sum is σ = 1350432. Its totient is φ = 375100.

The previous prime is 825241. The next prime is 825247. The reversal of 825242 is 242528.

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

It is not an unprimeable number, because it can be changed into a prime (825241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18734 + ... + 18777.

It is an arithmetic number, because the mean of its divisors is an integer number (168804).

2⁸²⁵²⁴² is an apocalyptic number.

825242 is a deficient number, since it is larger than the sum of its proper divisors (525190).

825242 is a wasteful number, since it uses less digits than its factorization.

825242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37524.

The product of its digits is 1280, while the sum is 23.

The square root of 825242 is about 908.4283130770. The cubic root of 825242 is about 93.7980423394.

The spelling of 825242 in words is "eight hundred twenty-five thousand, two hundred forty-two".