825510242 has 16 divisors (see below), whose sum is σ = 1312446240. Its totient is φ = 388077888.

The previous prime is 825510223. The next prime is 825510331. The reversal of 825510242 is 242015528.

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, 22733 + ... + 46559.

It is an arithmetic number, because the mean of its divisors is an integer number (82027890).

Almost surely, 2^825510242 is an apocalyptic number.

825510242 is a deficient number, since it is larger than the sum of its proper divisors (486935998).

825510242 is a wasteful number, since it uses less digits than its factorization.

825510242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24865.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 825510242 is about 28731.6940328968. The cubic root of 825510242 is about 938.0820414600.

The spelling of 825510242 in words is "eight hundred twenty-five million, five hundred ten thousand, two hundred forty-two".