10355021 has 2 divisors, whose sum is σ = 10355022. Its totient is φ = 10355020.

The previous prime is 10355017. The next prime is 10355027. The reversal of 10355021 is 12055301.

10355021 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., 5470921 + 4884100 = 2339^2 + 2210^2 .

It is an emirp because it is prime and its reverse (12055301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10355021 - 2² = 10355017 is a prime.

It is a super-3 number, since 3×10355021³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10355027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5177510 + 5177511.

It is an arithmetic number, because the mean of its divisors is an integer number (5177511).

Almost surely, 2^10355021 is an apocalyptic number.

It is an amenable number.

10355021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10355021 is an equidigital number, since it uses as much as digits as its factorization.

10355021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 10355021 is about 3217.9218449179. The cubic root of 10355021 is about 217.9634439166.

The spelling of 10355021 in words is "ten million, three hundred fifty-five thousand, twenty-one".