10540321 has 8 divisors (see below), whose sum is σ = 11779488. Its totient is φ = 9348000.

The previous prime is 10540273. The next prime is 10540331. The reversal of 10540321 is 12304501.

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

It is not a de Polignac number, because 10540321 - 2¹⁷ = 10409249 is a prime.

It is a super-2 number, since 2×10540321² = 222196733566082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10540295 and 10540304.

It is not an unprimeable number, because it can be changed into a prime (10540331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11235 + ... + 12136.

It is an arithmetic number, because the mean of its divisors is an integer number (1472436).

Almost surely, 2^10540321 is an apocalyptic number.

10540321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10540321 is a deficient number, since it is larger than the sum of its proper divisors (1239167).

10540321 is a wasteful number, since it uses less digits than its factorization.

10540321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23423.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10540321 is about 3246.5860530717. The cubic root of 10540321 is about 219.2558951464.

Adding to 10540321 its reverse (12304501), we get a palindrome (22844822).

The spelling of 10540321 in words is "ten million, five hundred forty thousand, three hundred twenty-one".