10215329 has 2 divisors, whose sum is σ = 10215330. Its totient is φ = 10215328.

The previous prime is 10215307. The next prime is 10215343. The reversal of 10215329 is 92351201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 2486929 = 2780^2 + 1577^2 .

It is a cyclic number.

It is not a de Polignac number, because 10215329 - 2²⁰ = 9166753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10215349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107664 + 5107665.

It is an arithmetic number, because the mean of its divisors is an integer number (5107665).

Almost surely, 2^10215329 is an apocalyptic number.

It is an amenable number.

10215329 is a deficient number, since it is larger than the sum of its proper divisors (1).

10215329 is an equidigital number, since it uses as much as digits as its factorization.

10215329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 10215329 is about 3196.1428316019. The cubic root of 10215329 is about 216.9788748220.

The spelling of 10215329 in words is "ten million, two hundred fifteen thousand, three hundred twenty-nine".