10445621 has 2 divisors, whose sum is σ = 10445622. Its totient is φ = 10445620.

The previous prime is 10445587. The next prime is 10445627. The reversal of 10445621 is 12654401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8008900 + 2436721 = 2830^2 + 1561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10445621 is a prime.

It is a super-2 number, since 2×10445621² = 218221996151282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10445627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222810 + 5222811.

It is an arithmetic number, because the mean of its divisors is an integer number (5222811).

Almost surely, 2^10445621 is an apocalyptic number.

It is an amenable number.

10445621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10445621 is an equidigital number, since it uses as much as digits as its factorization.

10445621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 10445621 is about 3231.9685951445. The cubic root of 10445621 is about 218.5972805063.

The spelling of 10445621 in words is "ten million, four hundred forty-five thousand, six hundred twenty-one".