901067641 has 2 divisors, whose sum is σ = 901067642. Its totient is φ = 901067640.

The previous prime is 901067633. The next prime is 901067707. The reversal of 901067641 is 146760109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 895206400 + 5861241 = 29920^2 + 2421^2 .

It is a cyclic number.

It is not a de Polignac number, because 901067641 - 2³ = 901067633 is a prime.

It is equal to p_46061197 and since 901067641 and 46061197 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 901067597 and 901067606.

It is not a weakly prime, because it can be changed into another prime (901067611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450533820 + 450533821.

It is an arithmetic number, because the mean of its divisors is an integer number (450533821).

Almost surely, 2^901067641 is an apocalyptic number.

It is an amenable number.

901067641 is a deficient number, since it is larger than the sum of its proper divisors (1).

901067641 is an equidigital number, since it uses as much as digits as its factorization.

901067641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 901067641 is about 30017.7887426772. The cubic root of 901067641 is about 965.8710100576.

The spelling of 901067641 in words is "nine hundred one million, sixty-seven thousand, six hundred forty-one".