10547861 has 2 divisors, whose sum is σ = 10547862. Its totient is φ = 10547860.

The previous prime is 10547833. The next prime is 10547879. The reversal of 10547861 is 16874501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6345361 + 4202500 = 2519^2 + 2050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10547861 is a prime.

It is a super-2 number, since 2×10547861² = 222514743350642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10547461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5273930 + 5273931.

It is an arithmetic number, because the mean of its divisors is an integer number (5273931).

Almost surely, 2^10547861 is an apocalyptic number.

It is an amenable number.

10547861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10547861 is an equidigital number, since it uses as much as digits as its factorization.

10547861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 10547861 is about 3247.7470652746. The cubic root of 10547861 is about 219.3081641240.

The spelling of 10547861 in words is "ten million, five hundred forty-seven thousand, eight hundred sixty-one".