9557959 has 2 divisors, whose sum is σ = 9557960. Its totient is φ = 9557958.

The previous prime is 9557957. The next prime is 9557971. The reversal of 9557959 is 9597559.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9557959 - 2¹ = 9557957 is a prime.

Together with 9557957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9557957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4778979 + 4778980.

It is an arithmetic number, because the mean of its divisors is an integer number (4778980).

Almost surely, 2^9557959 is an apocalyptic number.

9557959 is a deficient number, since it is larger than the sum of its proper divisors (1).

9557959 is an equidigital number, since it uses as much as digits as its factorization.

9557959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 637875, while the sum is 49.

The square root of 9557959 is about 3091.5948958426. The cubic root of 9557959 is about 212.2210152045.

The spelling of 9557959 in words is "nine million, five hundred fifty-seven thousand, nine hundred fifty-nine".