6625313306 has 4 divisors (see below), whose sum is σ = 9937969962. Its totient is φ = 3312656652.

The previous prime is 6625313263. The next prime is 6625313327. The reversal of 6625313306 is 6033135266.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6625146025 + 167281 = 81395^2 + 409^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656328325 + ... + 1656328328.

Almost surely, 2^6625313306 is an apocalyptic number.

6625313306 is a deficient number, since it is larger than the sum of its proper divisors (3312656656).

6625313306 is a wasteful number, since it uses less digits than its factorization.

6625313306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312656655.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 6625313306 is about 81396.0275812032. The cubic root of 6625313306 is about 1878.1724833574.

The spelling of 6625313306 in words is "six billion, six hundred twenty-five million, three hundred thirteen thousand, three hundred six".