10530513 has 16 divisors (see below), whose sum is σ = 17829760. Its totient is φ = 6017328.

The previous prime is 10530511. The next prime is 10530521. The reversal of 10530513 is 31503501.

It is a happy number.

It is not a de Polignac number, because 10530513 - 2¹ = 10530511 is a prime.

It is a super-2 number, since 2×10530513² = 221783408086338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27670 + ... + 28047.

It is an arithmetic number, because the mean of its divisors is an integer number (1114360).

Almost surely, 2^10530513 is an apocalyptic number.

It is an amenable number.

10530513 is a deficient number, since it is larger than the sum of its proper divisors (7299247).

10530513 is an equidigital number, since it uses as much as digits as its factorization.

10530513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55733 (or 55727 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 10530513 is about 3245.0751917329. The cubic root of 10530513 is about 219.1878665674.

The spelling of 10530513 in words is "ten million, five hundred thirty thousand, five hundred thirteen".