10513543 has 8 divisors (see below), whose sum is σ = 10841600. Its totient is φ = 10189368.

The previous prime is 10513537. The next prime is 10513549. The reversal of 10513543 is 34531501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10513537) and next prime (10513549).

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

It is a cyclic number.

It is not a de Polignac number, because 10513543 - 2⁵ = 10513511 is a prime.

It is a super-2 number, since 2×10513543² = 221069172825698, 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 (10513549) 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, 5098 + ... + 6856.

It is an arithmetic number, because the mean of its divisors is an integer number (1355200).

Almost surely, 2^10513543 is an apocalyptic number.

10513543 is a deficient number, since it is larger than the sum of its proper divisors (328057).

10513543 is a wasteful number, since it uses less digits than its factorization.

10513543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 10513543 is about 3242.4594060682. The cubic root of 10513543 is about 219.0700623049.

The spelling of 10513543 in words is "ten million, five hundred thirteen thousand, five hundred forty-three".