10318561 has 4 divisors (see below), whose sum is σ = 11256624. Its totient is φ = 9380500.

The previous prime is 10318549. The next prime is 10318573. The reversal of 10318561 is 16581301.

10318561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10318549) and next prime (10318573).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10318561 is a prime.

It is a super-2 number, since 2×10318561² = 212945402221442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10318531) 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 in 3 ways as a sum of consecutive naturals, for example, 469015 + ... + 469036.

It is an arithmetic number, because the mean of its divisors is an integer number (2814156).

Almost surely, 2^10318561 is an apocalyptic number.

10318561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10318561 is a deficient number, since it is larger than the sum of its proper divisors (938063).

10318561 is an equidigital number, since it uses as much as digits as its factorization.

10318561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938062.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 10318561 is about 3212.2517024667. The cubic root of 10318561 is about 217.7073268596.

Adding to 10318561 its reverse (16581301), we get a palindrome (26899862).

The spelling of 10318561 in words is "ten million, three hundred eighteen thousand, five hundred sixty-one".