10543634 has 4 divisors (see below), whose sum is σ = 15815454. Its totient is φ = 5271816.

The previous prime is 10543633. The next prime is 10543699. The reversal of 10543634 is 43634501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43634501 = 149 ⋅292849.

It can be written as a sum of positive squares in only one way, i.e., 10543009 + 625 = 3247^2 + 25^2 .

It is a super-2 number, since 2×10543634² = 222336435851912, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10543633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635907 + ... + 2635910.

Almost surely, 2^10543634 is an apocalyptic number.

10543634 is a deficient number, since it is larger than the sum of its proper divisors (5271820).

10543634 is an equidigital number, since it uses as much as digits as its factorization.

10543634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271819.

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

The square root of 10543634 is about 3247.0962412593. The cubic root of 10543634 is about 219.2788646774.

The spelling of 10543634 in words is "ten million, five hundred forty-three thousand, six hundred thirty-four".