9945461 has 2 divisors, whose sum is σ = 9945462. Its totient is φ = 9945460.

The previous prime is 9945457. The next prime is 9945511. The reversal of 9945461 is 1645499.

9945461 is digitally balanced in base 3, 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., 8444836 + 1500625 = 2906^2 + 1225^2 .

It is an emirp because it is prime and its reverse (1645499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9945461 - 2² = 9945457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9945421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4972730 + 4972731.

It is an arithmetic number, because the mean of its divisors is an integer number (4972731).

Almost surely, 2^9945461 is an apocalyptic number.

It is an amenable number.

9945461 is a deficient number, since it is larger than the sum of its proper divisors (1).

9945461 is an equidigital number, since it uses as much as digits as its factorization.

9945461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 9945461 is about 3153.6424971769. The cubic root of 9945461 is about 215.0510857514.

Adding to 9945461 its sum of digits (38), we get a palindrome (9945499).

The spelling of 9945461 in words is "nine million, nine hundred forty-five thousand, four hundred sixty-one".