325821316 has 12 divisors (see below), whose sum is σ = 580945932. Its totient is φ = 159836768.

The previous prime is 325821311. The next prime is 325821317. The reversal of 325821316 is 613128523.

It can be written as a sum of positive squares in 2 ways, for example, as 288660100 + 37161216 = 16990^2 + 6096^2 .

It is not an unprimeable number, because it can be changed into a prime (325821311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768235 + ... + 768658.

It is an arithmetic number, because the mean of its divisors is an integer number (48412161).

Almost surely, 2^325821316 is an apocalyptic number.

It is an amenable number.

325821316 is a deficient number, since it is larger than the sum of its proper divisors (255124616).

325821316 is a wasteful number, since it uses less digits than its factorization.

325821316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536950 (or 1536948 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 325821316 is about 18050.5212113113. The cubic root of 325821316 is about 688.1131084319.

Adding to 325821316 its reverse (613128523), we get a palindrome (938949839).

The spelling of 325821316 in words is "three hundred twenty-five million, eight hundred twenty-one thousand, three hundred sixteen".