10643534 has 16 divisors (see below), whose sum is σ = 18334080. Its totient is φ = 4583160.

The previous prime is 10643527. The next prime is 10643543. The reversal of 10643534 is 43534601.

It is a super-2 number, since 2×10643534² = 226569632018312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12314 + ... + 13149.

It is an arithmetic number, because the mean of its divisors is an integer number (1145880).

Almost surely, 2^10643534 is an apocalyptic number.

10643534 is a deficient number, since it is larger than the sum of its proper divisors (7690546).

10643534 is a wasteful number, since it uses less digits than its factorization.

10643534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25495.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 10643534 is about 3262.4429496928. The cubic root of 10643534 is about 219.9692381231.

The spelling of 10643534 in words is "ten million, six hundred forty-three thousand, five hundred thirty-four".