6220651 has 2 divisors, whose sum is σ = 6220652. Its totient is φ = 6220650.

The previous prime is 6220639. The next prime is 6220661. The reversal of 6220651 is 1560226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6220651 - 2¹¹ = 6218603 is a prime.

It is not a weakly prime, because it can be changed into another prime (6220631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110325 + 3110326.

It is an arithmetic number, because the mean of its divisors is an integer number (3110326).

Almost surely, 2^6220651 is an apocalyptic number.

6220651 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220651 is an equidigital number, since it uses as much as digits as its factorization.

6220651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 6220651 is about 2494.1232928626. The cubic root of 6220651 is about 183.9127953972.

Adding to 6220651 its reverse (1560226), we get a palindrome (7780877).

The spelling of 6220651 in words is "six million, two hundred twenty thousand, six hundred fifty-one".