10381305 has 32 divisors (see below), whose sum is σ = 19191168. Its totient is φ = 4736000.

The previous prime is 10381297. The next prime is 10381321. The reversal of 10381305 is 50318301.

It is a happy number.

It is not a de Polignac number, because 10381305 - 2³ = 10381297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 955 + ... + 4655.

It is an arithmetic number, because the mean of its divisors is an integer number (599724).

Almost surely, 2^10381305 is an apocalyptic number.

10381305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10381305 is a deficient number, since it is larger than the sum of its proper divisors (8809863).

10381305 is a wasteful number, since it uses less digits than its factorization.

10381305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 10381305 is about 3222.0032588438. The cubic root of 10381305 is about 218.1477059201.

Subtracting from 10381305 its sum of digits (21), we obtain a square (10381284 = 3222²).

Adding to 10381305 its reverse (50318301), we get a palindrome (60699606).

The spelling of 10381305 in words is "ten million, three hundred eighty-one thousand, three hundred five".