9807001 has 2 divisors, whose sum is σ = 9807002. Its totient is φ = 9807000.

The previous prime is 9806989. The next prime is 9807019. The reversal of 9807001 is 1007089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7557001 + 2250000 = 2749^2 + 1500^2 .

It is an emirp because it is prime and its reverse (1007089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9807001 - 2⁵ = 9806969 is a prime.

It is a super-2 number, since 2×9807001² = 192354537228002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9807041) 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, 4903500 + 4903501.

It is an arithmetic number, because the mean of its divisors is an integer number (4903501).

Almost surely, 2^9807001 is an apocalyptic number.

9807001 is the 1401-st centered decagonal number.

It is an amenable number.

9807001 is a deficient number, since it is larger than the sum of its proper divisors (1).

9807001 is an equidigital number, since it uses as much as digits as its factorization.

9807001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 9807001 is about 3131.6131625729. The cubic root of 9807001 is about 214.0484430466.

The spelling of 9807001 in words is "nine million, eight hundred seven thousand, one".