825448536 has 64 divisors (see below), whose sum is σ = 2501366400. Its totient is φ = 250135200.

The previous prime is 825448513. The next prime is 825448543. The reversal of 825448536 is 635844528.

It is a junction number, because it is equal to n+sod(n) for n = 825448491 and 825448500.

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 15 ways as a sum of consecutive naturals, for example, 171330 + ... + 176081.

It is an arithmetic number, because the mean of its divisors is an integer number (39083850).

Almost surely, 2^825448536 is an apocalyptic number.

It is an amenable number.

825448536 is an abundant number, since it is smaller than the sum of its proper divisors (1675917864).

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

825448536 is a wasteful number, since it uses less digits than its factorization.

825448536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347437 (or 347427 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 825448536 is about 28730.6201812631. The cubic root of 825448536 is about 938.0586673374.

The spelling of 825448536 in words is "eight hundred twenty-five million, four hundred forty-eight thousand, five hundred thirty-six".