6620251327 has 2 divisors, whose sum is σ = 6620251328. Its totient is φ = 6620251326.

The previous prime is 6620251321. The next prime is 6620251361. The reversal of 6620251327 is 7231520266.

It is an a-pointer prime, because the next prime (6620251361) can be obtained adding 6620251327 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6620251327 - 2⁷ = 6620251199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6620251292 and 6620251301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6620251321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310125663 + 3310125664.

It is an arithmetic number, because the mean of its divisors is an integer number (3310125664).

Almost surely, 2^6620251327 is an apocalyptic number.

6620251327 is a deficient number, since it is larger than the sum of its proper divisors (1).

6620251327 is an equidigital number, since it uses as much as digits as its factorization.

6620251327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 6620251327 is about 81364.9268849914. The cubic root of 6620251327 is about 1877.6940309151.

The spelling of 6620251327 in words is "six billion, six hundred twenty million, two hundred fifty-one thousand, three hundred twenty-seven".