825261472 has 24 divisors (see below), whose sum is σ = 1856838816. Its totient is φ = 353683392.

The previous prime is 825261469. The next prime is 825261491. The reversal of 825261472 is 274162528.

It is a happy 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, 1841878 + ... + 1842325.

It is an arithmetic number, because the mean of its divisors is an integer number (77368284).

Almost surely, 2^825261472 is an apocalyptic number.

It is an amenable number.

825261472 is an abundant number, since it is smaller than the sum of its proper divisors (1031577344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825261472 is a wasteful number, since it uses less digits than its factorization.

825261472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684220 (or 3684212 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 825261472 is about 28727.3645153885. The cubic root of 825261472 is about 937.9878007091.

The spelling of 825261472 in words is "eight hundred twenty-five million, two hundred sixty-one thousand, four hundred seventy-two".