325506836 has 6 divisors (see below), whose sum is σ = 569636970. Its totient is φ = 162753416.

The previous prime is 325506829. The next prime is 325506859. The reversal of 325506836 is 638605523.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 316626436 + 8880400 = 17794^2 + 2980^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 325506836.

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, 40688351 + ... + 40688358.

It is an arithmetic number, because the mean of its divisors is an integer number (94939495).

Almost surely, 2^325506836 is an apocalyptic number.

It is an amenable number.

325506836 is a deficient number, since it is larger than the sum of its proper divisors (244130134).

325506836 is a wasteful number, since it uses less digits than its factorization.

325506836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81376713 (or 81376711 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 325506836 is about 18041.8080025257. The cubic root of 325506836 is about 687.8916501674.

The spelling of 325506836 in words is "three hundred twenty-five million, five hundred six thousand, eight hundred thirty-six".