823765252 has 6 divisors (see below), whose sum is σ = 1441589198. Its totient is φ = 411882624.

The previous prime is 823765231. The next prime is 823765259. The reversal of 823765252 is 252567328.

It can be written as a sum of positive squares in only one way, i.e., 484616196 + 339149056 = 22014^2 + 18416^2 .

It is not an unprimeable number, because it can be changed into a prime (823765259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102970653 + ... + 102970660.

Almost surely, 2^823765252 is an apocalyptic number.

It is an amenable number.

823765252 is a deficient number, since it is larger than the sum of its proper divisors (617823946).

823765252 is a wasteful number, since it uses less digits than its factorization.

823765252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205941317 (or 205941315 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 823765252 is about 28701.3109805110. The cubic root of 823765252 is about 937.4205925513.

The spelling of 823765252 in words is "eight hundred twenty-three million, seven hundred sixty-five thousand, two hundred fifty-two".