9771401 has 2 divisors, whose sum is σ = 9771402. Its totient is φ = 9771400.

The previous prime is 9771383. The next prime is 9771409. The reversal of 9771401 is 1041779.

9771401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 5776 = 3125^2 + 76^2 .

It is an emirp because it is prime and its reverse (1041779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9771401 - 2¹⁴ = 9755017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9771409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4885700 + 4885701.

It is an arithmetic number, because the mean of its divisors is an integer number (4885701).

Almost surely, 2^9771401 is an apocalyptic number.

It is an amenable number.

9771401 is a deficient number, since it is larger than the sum of its proper divisors (1).

9771401 is an equidigital number, since it uses as much as digits as its factorization.

9771401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 9771401 is about 3125.9240233889. The cubic root of 9771401 is about 213.7891261322.

The spelling of 9771401 in words is "nine million, seven hundred seventy-one thousand, four hundred one".