10643530 has 32 divisors (see below), whose sum is σ = 20478096. Its totient is φ = 3969024.

The previous prime is 10643527. The next prime is 10643543. The reversal of 10643530 is 3534601.

It can be written as a sum of positive squares in 8 ways, for example, as 8543929 + 2099601 = 2923^2 + 1449^2 .

It is a super-2 number, since 2×10643530² = 226569461721800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23062 + ... + 23518.

Almost surely, 2^10643530 is an apocalyptic number.

10643530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10643530 is a deficient number, since it is larger than the sum of its proper divisors (9834566).

10643530 is a wasteful number, since it uses less digits than its factorization.

10643530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 10643530 is about 3262.4423366552. The cubic root of 10643530 is about 219.9692105672.

The spelling of 10643530 in words is "ten million, six hundred forty-three thousand, five hundred thirty".