10381291 has 2 divisors, whose sum is σ = 10381292. Its totient is φ = 10381290.

The previous prime is 10381279. The next prime is 10381297. The reversal of 10381291 is 19218301.

It is a strong prime.

It is an emirp because it is prime and its reverse (19218301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10381291 is a prime.

It is not a weakly prime, because it can be changed into another prime (10381297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5190645 + 5190646.

It is an arithmetic number, because the mean of its divisors is an integer number (5190646).

Almost surely, 2^10381291 is an apocalyptic number.

10381291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10381291 is an equidigital number, since it uses as much as digits as its factorization.

10381291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 10381291 is about 3222.0010862816. The cubic root of 10381291 is about 218.1476078569.

Adding to 10381291 its reverse (19218301), we get a palindrome (29599592).

The spelling of 10381291 in words is "ten million, three hundred eighty-one thousand, two hundred ninety-one".