9550913 has 2 divisors, whose sum is σ = 9550914. Its totient is φ = 9550912.

The previous prime is 9550813. The next prime is 9550943. The reversal of 9550913 is 3190559.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9443329 + 107584 = 3073^2 + 328^2 .

It is an emirp because it is prime and its reverse (3190559) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9550913 - 2¹⁰ = 9549889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9550913.

It is not a weakly prime, because it can be changed into another prime (9550943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4775456 + 4775457.

It is an arithmetic number, because the mean of its divisors is an integer number (4775457).

Almost surely, 2^9550913 is an apocalyptic number.

It is an amenable number.

9550913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9550913 is an equidigital number, since it uses as much as digits as its factorization.

9550913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 9550913 is about 3090.4551444731. The cubic root of 9550913 is about 212.1688535500.

The spelling of 9550913 in words is "nine million, five hundred fifty thousand, nine hundred thirteen".