10393281 has 12 divisors (see below), whose sum is σ = 15530580. Its totient is φ = 6689760.

The previous prime is 10393267. The next prime is 10393283. The reversal of 10393281 is 18239301.

10393281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6170256 + 4223025 = 2484^2 + 2055^2 .

It is not a de Polignac number, because 10393281 - 2⁹ = 10392769 is a prime.

It is a super-2 number, since 2×10393281² = 216040579889922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10393283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19650 + ... + 20171.

It is an arithmetic number, because the mean of its divisors is an integer number (1294215).

Almost surely, 2^10393281 is an apocalyptic number.

It is an amenable number.

10393281 is a deficient number, since it is larger than the sum of its proper divisors (5137299).

10393281 is a wasteful number, since it uses less digits than its factorization.

10393281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39856 (or 39853 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10393281 is about 3223.8611942824. The cubic root of 10393281 is about 218.2315596344.

The spelling of 10393281 in words is "ten million, three hundred ninety-three thousand, two hundred eighty-one".