10531643 has 16 divisors (see below), whose sum is σ = 11600640. Its totient is φ = 9525600.

The previous prime is 10531639. The next prime is 10531649. The reversal of 10531643 is 34613501.

It is a happy number.

10531643 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10531643 - 2² = 10531639 is a prime.

It is a super-2 number, since 2×10531643² = 221831008558898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10531649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49808 + ... + 50018.

It is an arithmetic number, because the mean of its divisors is an integer number (725040).

Almost surely, 2^10531643 is an apocalyptic number.

10531643 is a deficient number, since it is larger than the sum of its proper divisors (1068997).

10531643 is a wasteful number, since it uses less digits than its factorization.

10531643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 10531643 is about 3245.2492970495. The cubic root of 10531643 is about 219.1957064333.

The spelling of 10531643 in words is "ten million, five hundred thirty-one thousand, six hundred forty-three".