993000901 has 2 divisors, whose sum is σ = 993000902. Its totient is φ = 993000900.

The previous prime is 993000893. The next prime is 993000907. The reversal of 993000901 is 109000399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 984327876 + 8673025 = 31374^2 + 2945^2 .

It is a cyclic number.

It is not a de Polignac number, because 993000901 - 2³ = 993000893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993000907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496500450 + 496500451.

It is an arithmetic number, because the mean of its divisors is an integer number (496500451).

Almost surely, 2^993000901 is an apocalyptic number.

It is an amenable number.

993000901 is a deficient number, since it is larger than the sum of its proper divisors (1).

993000901 is an equidigital number, since it uses as much as digits as its factorization.

993000901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 993000901 is about 31511.9168093596. The cubic root of 993000901 is about 997.6615026931.

The spelling of 993000901 in words is "nine hundred ninety-three million, nine hundred one", and thus it is an aban number.