6425250647 has 2 divisors, whose sum is σ = 6425250648. Its totient is φ = 6425250646.

The previous prime is 6425250607. The next prime is 6425250683. The reversal of 6425250647 is 7460525246.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6425250647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6425250607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212625323 + 3212625324.

It is an arithmetic number, because the mean of its divisors is an integer number (3212625324).

Almost surely, 2^6425250647 is an apocalyptic number.

6425250647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6425250647 is an equidigital number, since it uses as much as digits as its factorization.

6425250647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 41.

The square root of 6425250647 is about 80157.6611871878. The cubic root of 6425250647 is about 1859.0740609423.

The spelling of 6425250647 in words is "six billion, four hundred twenty-five million, two hundred fifty thousand, six hundred forty-seven".