825163450 has 48 divisors (see below), whose sum is σ = 1557043200. Its totient is φ = 325321920.

The previous prime is 825163441. The next prime is 825163489. The reversal of 825163450 is 54361528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1263324 + ... + 1263976.

It is an arithmetic number, because the mean of its divisors is an integer number (32438400).

Almost surely, 2^825163450 is an apocalyptic number.

825163450 is a deficient number, since it is larger than the sum of its proper divisors (731879750).

825163450 is a wasteful number, since it uses less digits than its factorization.

825163450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 825163450 is about 28725.6583910622. The cubic root of 825163450 is about 937.9506621440.

The spelling of 825163450 in words is "eight hundred twenty-five million, one hundred sixty-three thousand, four hundred fifty".