10502281 has 2 divisors, whose sum is σ = 10502282. Its totient is φ = 10502280.

The previous prime is 10502257. The next prime is 10502341. The reversal of 10502281 is 18220501.

10502281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8497225 + 2005056 = 2915^2 + 1416^2 .

It is a cyclic number.

It is not a de Polignac number, because 10502281 - 2⁹ = 10501769 is a prime.

It is a super-2 number, since 2×10502281² = 220595812405922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10502221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5251140 + 5251141.

It is an arithmetic number, because the mean of its divisors is an integer number (5251141).

Almost surely, 2^10502281 is an apocalyptic number.

It is an amenable number.

10502281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10502281 is an equidigital number, since it uses as much as digits as its factorization.

10502281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10502281 is about 3240.7222960322. The cubic root of 10502281 is about 218.9918124862.

Adding to 10502281 its reverse (18220501), we get a palindrome (28722782).

The spelling of 10502281 in words is "ten million, five hundred two thousand, two hundred eighty-one".