9625391 has 2 divisors, whose sum is σ = 9625392. Its totient is φ = 9625390.

The previous prime is 9625387. The next prime is 9625403. The reversal of 9625391 is 1935269.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9625391 - 2² = 9625387 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9625321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4812695 + 4812696.

It is an arithmetic number, because the mean of its divisors is an integer number (4812696).

Almost surely, 2^9625391 is an apocalyptic number.

9625391 is a deficient number, since it is larger than the sum of its proper divisors (1).

9625391 is an equidigital number, since it uses as much as digits as its factorization.

9625391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 35.

The square root of 9625391 is about 3102.4814262135. The cubic root of 9625391 is about 212.7189236314.

The spelling of 9625391 in words is "nine million, six hundred twenty-five thousand, three hundred ninety-one".