825020494 has 8 divisors (see below), whose sum is σ = 1237823928. Its totient is φ = 412412520.

The previous prime is 825020473. The next prime is 825020503. The reversal of 825020494 is 494020528.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37812 + ... + 55495.

It is an arithmetic number, because the mean of its divisors is an integer number (154727991).

Almost surely, 2^825020494 is an apocalyptic number.

825020494 is a deficient number, since it is larger than the sum of its proper divisors (412803434).

825020494 is a wasteful number, since it uses less digits than its factorization.

825020494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97730.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 825020494 is about 28723.1699852227. The cubic root of 825020494 is about 937.8964937168.

Adding to 825020494 its sum of digits (34), we get a palindrome (825020528).

The spelling of 825020494 in words is "eight hundred twenty-five million, twenty thousand, four hundred ninety-four".