10530993 has 24 divisors (see below), whose sum is σ = 15700384. Its totient is φ = 6272640.

The previous prime is 10530991. The next prime is 10531009. The reversal of 10530993 is 39903501.

It is not a de Polignac number, because 10530993 - 2¹ = 10530991 is a prime.

It is a super-2 number, since 2×10530993² = 221803627132098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10530993.

It is not an unprimeable number, because it can be changed into a prime (10530991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24105 + ... + 24537.

Almost surely, 2^10530993 is an apocalyptic number.

It is an amenable number.

10530993 is a deficient number, since it is larger than the sum of its proper divisors (5169391).

10530993 is a wasteful number, since it uses less digits than its factorization.

10530993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 10530993 is about 3245.1491491147. The cubic root of 10530993 is about 219.1911968444.

The spelling of 10530993 in words is "ten million, five hundred thirty thousand, nine hundred ninety-three".