10513143 has 24 divisors (see below), whose sum is σ = 15780336. Its totient is φ = 6739200.

The previous prime is 10513141. The next prime is 10513163. The reversal of 10513143 is 34131501.

10513143 is a `hidden beast` number, since 10 + 513 + 143 = 666.

It is not a de Polignac number, because 10513143 - 2¹ = 10513141 is a prime.

It is a super-2 number, since 2×10513143² = 221052351476898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10513141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43503 + ... + 43743.

It is an arithmetic number, because the mean of its divisors is an integer number (657514).

Almost surely, 2^10513143 is an apocalyptic number.

10513143 is a deficient number, since it is larger than the sum of its proper divisors (5267193).

10513143 is a wasteful number, since it uses less digits than its factorization.

10513143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 10513143 is about 3242.3977239074. The cubic root of 10513143 is about 219.0672840111.

Adding to 10513143 its reverse (34131501), we get a palindrome (44644644).

The spelling of 10513143 in words is "ten million, five hundred thirteen thousand, one hundred forty-three".