10281493 has 2 divisors, whose sum is σ = 10281494. Its totient is φ = 10281492.

The previous prime is 10281487. The next prime is 10281499. The reversal of 10281493 is 39418201.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10281487) and next prime (10281499).

It can be written as a sum of positive squares in only one way, i.e., 10227204 + 54289 = 3198^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 10281493 - 2⁵ = 10281461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10281499) 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, 5140746 + 5140747.

It is an arithmetic number, because the mean of its divisors is an integer number (5140747).

Almost surely, 2^10281493 is an apocalyptic number.

It is an amenable number.

10281493 is a deficient number, since it is larger than the sum of its proper divisors (1).

10281493 is an equidigital number, since it uses as much as digits as its factorization.

10281493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 10281493 is about 3206.4767268764. The cubic root of 10281493 is about 217.4463196013.

Adding to 10281493 its reverse (39418201), we get a palindrome (49699694).

The spelling of 10281493 in words is "ten million, two hundred eighty-one thousand, four hundred ninety-three".