10313621 has 2 divisors, whose sum is σ = 10313622. Its totient is φ = 10313620.

The previous prime is 10313617. The next prime is 10313651. The reversal of 10313621 is 12631301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5340721 + 4972900 = 2311^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 10313621 - 2² = 10313617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10313621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10313651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156810 + 5156811.

It is an arithmetic number, because the mean of its divisors is an integer number (5156811).

Almost surely, 2^10313621 is an apocalyptic number.

It is an amenable number.

10313621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10313621 is an equidigital number, since it uses as much as digits as its factorization.

10313621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 10313621 is about 3211.4826793866. The cubic root of 10313621 is about 217.6725789308.

Adding to 10313621 its reverse (12631301), we get a palindrome (22944922).

The spelling of 10313621 in words is "ten million, three hundred thirteen thousand, six hundred twenty-one".