825691232 has 12 divisors (see below), whose sum is σ = 1625579676. Its totient is φ = 412845600.

The previous prime is 825691213. The next prime is 825691291. The reversal of 825691232 is 232196528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12901394 + ... + 12901457.

It is an arithmetic number, because the mean of its divisors is an integer number (135464973).

Almost surely, 2^825691232 is an apocalyptic number.

It is an amenable number.

825691232 is a deficient number, since it is larger than the sum of its proper divisors (799888444).

825691232 is a wasteful number, since it uses less digits than its factorization.

825691232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25802861 (or 25802853 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 825691232 is about 28734.8435179313. The cubic root of 825691232 is about 938.1505934308.

The spelling of 825691232 in words is "eight hundred twenty-five million, six hundred ninety-one thousand, two hundred thirty-two".