6621052325 has 6 divisors (see below), whose sum is σ = 8210104914. Its totient is φ = 5296841840.

The previous prime is 6621052309. The next prime is 6621052337. The reversal of 6621052325 is 5232501266.

It can be written as a sum of positive squares in 3 ways, for example, as 6646084 + 6614406241 = 2578^2 + 81329^2 .

It is not a de Polignac number, because 6621052325 - 2⁴ = 6621052309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6621052291 and 6621052300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132421022 + ... + 132421071.

It is an arithmetic number, because the mean of its divisors is an integer number (1368350819).

Almost surely, 2^6621052325 is an apocalyptic number.

It is an amenable number.

6621052325 is a deficient number, since it is larger than the sum of its proper divisors (1589052589).

6621052325 is a wasteful number, since it uses less digits than its factorization.

6621052325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264842103 (or 264842098 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 6621052325 is about 81369.8489921175. The cubic root of 6621052325 is about 1877.7697565653.

The spelling of 6621052325 in words is "six billion, six hundred twenty-one million, fifty-two thousand, three hundred twenty-five".