9625643 has 2 divisors, whose sum is σ = 9625644. Its totient is φ = 9625642.

The previous prime is 9625633. The next prime is 9625657. The reversal of 9625643 is 3465269.

It is a weak prime.

It is an emirp because it is prime and its reverse (3465269) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9625643 - 2⁶ = 9625579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9625633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4812821 + 4812822.

It is an arithmetic number, because the mean of its divisors is an integer number (4812822).

Almost surely, 2^9625643 is an apocalyptic number.

9625643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9625643 is an equidigital number, since it uses as much as digits as its factorization.

9625643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 9625643 is about 3102.5220386002. The cubic root of 9625643 is about 212.7207799958.

The spelling of 9625643 in words is "nine million, six hundred twenty-five thousand, six hundred forty-three".