825540484 has 12 divisors (see below), whose sum is σ = 1457481564. Its totient is φ = 409117184.

The previous prime is 825540473. The next prime is 825540487. The reversal of 825540484 is 484045528.

It is a happy number.

825540484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 302412100 + 523128384 = 17390^2 + 22872^2 .

It is not an unprimeable number, because it can be changed into a prime (825540487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912757 + ... + 913660.

It is an arithmetic number, because the mean of its divisors is an integer number (121456797).

Almost surely, 2^825540484 is an apocalyptic number.

It is an amenable number.

825540484 is a deficient number, since it is larger than the sum of its proper divisors (631941080).

825540484 is a wasteful number, since it uses less digits than its factorization.

825540484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826534 (or 1826532 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 40.

The square root of 825540484 is about 28732.2203110028. The cubic root of 825540484 is about 938.0934966503.

The spelling of 825540484 in words is "eight hundred twenty-five million, five hundred forty thousand, four hundred eighty-four".