9550001 has 2 divisors, whose sum is σ = 9550002. Its totient is φ = 9550000.

The previous prime is 9549983. The next prime is 9550003. The reversal of 9550001 is 1000559.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7974976 + 1575025 = 2824^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 9550001 - 2¹⁸ = 9287857 is a prime.

Together with 9550003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9550003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4775000 + 4775001.

It is an arithmetic number, because the mean of its divisors is an integer number (4775001).

Almost surely, 2^9550001 is an apocalyptic number.

It is an amenable number.

9550001 is a deficient number, since it is larger than the sum of its proper divisors (1).

9550001 is an equidigital number, since it uses as much as digits as its factorization.

9550001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 9550001 is about 3090.3075898687. The cubic root of 9550001 is about 212.1621001240.

The spelling of 9550001 in words is "nine million, five hundred fifty thousand, one".