10319521 has 2 divisors, whose sum is σ = 10319522. Its totient is φ = 10319520.

The previous prime is 10319509. The next prime is 10319531. The reversal of 10319521 is 12591301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8202496 + 2117025 = 2864^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 10319521 - 2⁹ = 10319009 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10319492 and 10319501.

It is not a weakly prime, because it can be changed into another prime (10319501) 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, 5159760 + 5159761.

It is an arithmetic number, because the mean of its divisors is an integer number (5159761).

Almost surely, 2^10319521 is an apocalyptic number.

It is an amenable number.

10319521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10319521 is an equidigital number, since it uses as much as digits as its factorization.

10319521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 10319521 is about 3212.4011268831. The cubic root of 10319521 is about 217.7140782064.

The spelling of 10319521 in words is "ten million, three hundred nineteen thousand, five hundred twenty-one".