10240321 has 16 divisors (see below), whose sum is σ = 12901504. Its totient is φ = 7910784.

The previous prime is 10240319. The next prime is 10240327. The reversal of 10240321 is 12304201.

It is not a de Polignac number, because 10240321 - 2¹ = 10240319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10240327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (806344).

Almost surely, 2^10240321 is an apocalyptic number.

It is an amenable number.

10240321 is a deficient number, since it is larger than the sum of its proper divisors (2661183).

10240321 is a wasteful number, since it uses less digits than its factorization.

10240321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10240321 is about 3200.0501558569. The cubic root of 10240321 is about 217.1556783874.

Adding to 10240321 its reverse (12304201), we get a palindrome (22544522).

The spelling of 10240321 in words is "ten million, two hundred forty thousand, three hundred twenty-one".