6325816225 has 9 divisors (see below), whose sum is σ = 7844505267. Its totient is φ = 5060334840.

The previous prime is 6325816207. The next prime is 6325816249. The reversal of 6325816225 is 5226185236.

It is a happy number.

The square root of 6325816225 is 79535.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2277293841 + 4048522384 = 47721^2 + 63628^2 .

It is not a de Polignac number, because 6325816225 - 2⁵ = 6325816193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 389722 + ... + 405628.

Almost surely, 2^6325816225 is an apocalyptic number.

6325816225 is the 79535-th square number.

6325816225 is the 39768-th centered octagonal number.

It is an amenable number.

6325816225 is a deficient number, since it is larger than the sum of its proper divisors (1518689042).

6325816225 is an frugal number, since it uses more digits than its factorization.

6325816225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31824 (or 15912 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The cubic root of 6325816225 is about 1849.4340830511.

The spelling of 6325816225 in words is "six billion, three hundred twenty-five million, eight hundred sixteen thousand, two hundred twenty-five".