921301001 has 2 divisors, whose sum is σ = 921301002. Its totient is φ = 921301000.

The previous prime is 921300983. The next prime is 921301021. The reversal of 921301001 is 100103129.

It is a happy number.

921301001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 634032400 + 287268601 = 25180^2 + 16949^2 .

It is a cyclic number.

It is not a de Polignac number, because 921301001 - 2¹⁸ = 921038857 is a prime.

It is not a weakly prime, because it can be changed into another prime (921301021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460650500 + 460650501.

It is an arithmetic number, because the mean of its divisors is an integer number (460650501).

Almost surely, 2^921301001 is an apocalyptic number.

It is an amenable number.

921301001 is a deficient number, since it is larger than the sum of its proper divisors (1).

921301001 is an equidigital number, since it uses as much as digits as its factorization.

921301001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 921301001 is about 30352.9405659485. The cubic root of 921301001 is about 973.0470664550.

The spelling of 921301001 in words is "nine hundred twenty-one million, three hundred one thousand, one".