10845421 has 2 divisors, whose sum is σ = 10845422. Its totient is φ = 10845420.

The previous prime is 10845407. The next prime is 10845437. The reversal of 10845421 is 12454801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 1297321 = 3090^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 10845421 - 2⁹ = 10844909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10845221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5422710 + 5422711.

It is an arithmetic number, because the mean of its divisors is an integer number (5422711).

Almost surely, 2^10845421 is an apocalyptic number.

It is an amenable number.

10845421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10845421 is an equidigital number, since it uses as much as digits as its factorization.

10845421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 10845421 is about 3293.2386794765. The cubic root of 10845421 is about 221.3513313274.

The spelling of 10845421 in words is "ten million, eight hundred forty-five thousand, four hundred twenty-one".