10542281 has 2 divisors, whose sum is σ = 10542282. Its totient is φ = 10542280.

The previous prime is 10542271. The next prime is 10542307. The reversal of 10542281 is 18224501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9703225 + 839056 = 3115^2 + 916^2 .

It is a cyclic number.

It is not a de Polignac number, because 10542281 - 2¹⁴ = 10525897 is a prime.

It is a super-2 number, since 2×10542281² = 222279377365922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10542271) 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, 5271140 + 5271141.

It is an arithmetic number, because the mean of its divisors is an integer number (5271141).

Almost surely, 2^10542281 is an apocalyptic number.

It is an amenable number.

10542281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10542281 is an equidigital number, since it uses as much as digits as its factorization.

10542281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 10542281 is about 3246.8878945846. The cubic root of 10542281 is about 219.2694847047.

Adding to 10542281 its reverse (18224501), we get a palindrome (28766782).

The spelling of 10542281 in words is "ten million, five hundred forty-two thousand, two hundred eighty-one".