825311252 has 12 divisors (see below), whose sum is σ = 1447313280. Its totient is φ = 411793176.

The previous prime is 825311239. The next prime is 825311287. The reversal of 825311252 is 252113528.

It is a super-2 number, since 2×825311252² = 1362277325355615008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213458 + ... + 217289.

It is an arithmetic number, because the mean of its divisors is an integer number (120609440).

Almost surely, 2^825311252 is an apocalyptic number.

It is an amenable number.

825311252 is a deficient number, since it is larger than the sum of its proper divisors (622002028).

825311252 is a wasteful number, since it uses less digits than its factorization.

825311252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431230 (or 431228 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 825311252 is about 28728.2309236054. The cubic root of 825311252 is about 938.0066602243.

The spelling of 825311252 in words is "eight hundred twenty-five million, three hundred eleven thousand, two hundred fifty-two".