825464842 has 8 divisors (see below), whose sum is σ = 1303365600. Its totient is φ = 391009644.

The previous prime is 825464837. The next prime is 825464863. The reversal of 825464842 is 248464528.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10861342 + ... + 10861417.

It is an arithmetic number, because the mean of its divisors is an integer number (162920700).

Almost surely, 2^825464842 is an apocalyptic number.

825464842 is a deficient number, since it is larger than the sum of its proper divisors (477900758).

825464842 is a wasteful number, since it uses less digits than its factorization.

825464842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21722780.

The product of its digits is 491520, while the sum is 43.

The square root of 825464842 is about 28730.9039537568. The cubic root of 825464842 is about 938.0648441343.

The spelling of 825464842 in words is "eight hundred twenty-five million, four hundred sixty-four thousand, eight hundred forty-two".