10542647 has 4 divisors (see below), whose sum is σ = 10551240. Its totient is φ = 10534056.

The previous prime is 10542641. The next prime is 10542659. The reversal of 10542647 is 74624501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10542647 - 2⁶ = 10542583 is a prime.

It is a super-2 number, since 2×10542647² = 222294811533218, 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 (10542641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (2637810).

Almost surely, 2^10542647 is an apocalyptic number.

10542647 is a deficient number, since it is larger than the sum of its proper divisors (8593).

10542647 is an equidigital number, since it uses as much as digits as its factorization.

10542647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 10542647 is about 3246.9442557580. The cubic root of 10542647 is about 219.2720221601.

The spelling of 10542647 in words is "ten million, five hundred forty-two thousand, six hundred forty-seven".