10320505 has 8 divisors (see below), whose sum is σ = 13337352. Its totient is φ = 7621248.

The previous prime is 10320467. The next prime is 10320511. The reversal of 10320505 is 50502301.

It can be written as a sum of positive squares in 4 ways, for example, as 29241 + 10291264 = 171^2 + 3208^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10320505 - 2²¹ = 8223353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79324 + ... + 79453.

It is an arithmetic number, because the mean of its divisors is an integer number (1667169).

Almost surely, 2^10320505 is an apocalyptic number.

It is an amenable number.

10320505 is a deficient number, since it is larger than the sum of its proper divisors (3016847).

10320505 is a wasteful number, since it uses less digits than its factorization.

10320505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158795.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 10320505 is about 3212.5542796971. The cubic root of 10320505 is about 217.7209979024.

Adding to 10320505 its reverse (50502301), we get a palindrome (60822806).

The spelling of 10320505 in words is "ten million, three hundred twenty thousand, five hundred five".