9146021 has 2 divisors, whose sum is σ = 9146022. Its totient is φ = 9146020.

The previous prime is 9146009. The next prime is 9146041. The reversal of 9146021 is 1206419.

It is a happy number.

9146021 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., 6630625 + 2515396 = 2575^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 9146021 - 2⁶ = 9145957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9146041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4573010 + 4573011.

It is an arithmetic number, because the mean of its divisors is an integer number (4573011).

Almost surely, 2^9146021 is an apocalyptic number.

It is an amenable number.

9146021 is a deficient number, since it is larger than the sum of its proper divisors (1).

9146021 is an equidigital number, since it uses as much as digits as its factorization.

9146021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 9146021 is about 3024.2389125200. The cubic root of 9146021 is about 209.1273004826.

The spelling of 9146021 in words is "nine million, one hundred forty-six thousand, twenty-one".