10825021 has 2 divisors, whose sum is σ = 10825022. Its totient is φ = 10825020.

The previous prime is 10825013. The next prime is 10825037. The reversal of 10825021 is 12052801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10797796 + 27225 = 3286^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 10825021 - 2³ = 10825013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10825021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10825081) 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, 5412510 + 5412511.

It is an arithmetic number, because the mean of its divisors is an integer number (5412511).

Almost surely, 2^10825021 is an apocalyptic number.

It is an amenable number.

10825021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10825021 is an equidigital number, since it uses as much as digits as its factorization.

10825021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10825021 is about 3290.1399666276. The cubic root of 10825021 is about 221.2124585457.

Adding to 10825021 its reverse (12052801), we get a palindrome (22877822).

The spelling of 10825021 in words is "ten million, eight hundred twenty-five thousand, twenty-one".