325116405 has 12 divisors (see below), whose sum is σ = 563535180. Its totient is φ = 173395392.

The previous prime is 325116367. The next prime is 325116443. The reversal of 325116405 is 504611523.

325116405 is a `hidden beast` number, since 3 + 2 + 5 + 11 + 640 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (325116367) and next prime (325116443).

It can be written as a sum of positive squares in 2 ways, for example, as 73925604 + 251190801 = 8598^2 + 15849^2 .

It is not a de Polignac number, because 325116405 - 2⁹ = 325115893 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3612360 + ... + 3612449.

It is an arithmetic number, because the mean of its divisors is an integer number (46961265).

Almost surely, 2^325116405 is an apocalyptic number.

It is an amenable number.

325116405 is a deficient number, since it is larger than the sum of its proper divisors (238418775).

325116405 is a wasteful number, since it uses less digits than its factorization.

325116405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224820 (or 7224817 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 325116405 is about 18030.9845821020. The cubic root of 325116405 is about 687.6165082987.

Adding to 325116405 its reverse (504611523), we get a palindrome (829727928).

The spelling of 325116405 in words is "three hundred twenty-five million, one hundred sixteen thousand, four hundred five".