10295821 has 2 divisors, whose sum is σ = 10295822. Its totient is φ = 10295820.

The previous prime is 10295809. The next prime is 10295921. The reversal of 10295821 is 12859201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 373321 = 3150^2 + 611^2 .

It is an emirp because it is prime and its reverse (12859201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10295821 - 2⁹ = 10295309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10295821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10295801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5147910 + 5147911.

It is an arithmetic number, because the mean of its divisors is an integer number (5147911).

Almost surely, 2^10295821 is an apocalyptic number.

It is an amenable number.

10295821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10295821 is an equidigital number, since it uses as much as digits as its factorization.

10295821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 10295821 is about 3208.7101770026. The cubic root of 10295821 is about 217.5472817453.

The spelling of 10295821 in words is "ten million, two hundred ninety-five thousand, eight hundred twenty-one".