6425651 has 2 divisors, whose sum is σ = 6425652. Its totient is φ = 6425650.

The previous prime is 6425647. The next prime is 6425663. The reversal of 6425651 is 1565246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6425651 - 2² = 6425647 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6425621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212825 + 3212826.

It is an arithmetic number, because the mean of its divisors is an integer number (3212826).

Almost surely, 2^6425651 is an apocalyptic number.

6425651 is a deficient number, since it is larger than the sum of its proper divisors (1).

6425651 is an equidigital number, since it uses as much as digits as its factorization.

6425651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 6425651 is about 2534.8867824816. The cubic root of 6425651 is about 185.9112672687.

The spelling of 6425651 in words is "six million, four hundred twenty-five thousand, six hundred fifty-one".