10802921 has 2 divisors, whose sum is σ = 10802922. Its totient is φ = 10802920.

The previous prime is 10802867. The next prime is 10802923. The reversal of 10802921 is 12920801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10758400 + 44521 = 3280^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 10802921 - 2¹⁴ = 10786537 is a prime.

Together with 10802923, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₇₁₄₃₃₅ and since 10802921 and 714335 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10802923) 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, 5401460 + 5401461.

It is an arithmetic number, because the mean of its divisors is an integer number (5401461).

Almost surely, 2^10802921 is an apocalyptic number.

It is an amenable number.

10802921 is a deficient number, since it is larger than the sum of its proper divisors (1).

10802921 is an equidigital number, since it uses as much as digits as its factorization.

10802921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 10802921 is about 3286.7797309829. The cubic root of 10802921 is about 221.0618160036.

The spelling of 10802921 in words is "ten million, eight hundred two thousand, nine hundred twenty-one".