10181287 has 2 divisors, whose sum is σ = 10181288. Its totient is φ = 10181286.

The previous prime is 10181279. The next prime is 10181323. The reversal of 10181287 is 78218101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10181287 - 2³ = 10181279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10181267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5090643 + 5090644.

It is an arithmetic number, because the mean of its divisors is an integer number (5090644).

Almost surely, 2^10181287 is an apocalyptic number.

10181287 is a deficient number, since it is larger than the sum of its proper divisors (1).

10181287 is an equidigital number, since it uses as much as digits as its factorization.

10181287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 10181287 is about 3190.8129058282. The cubic root of 10181287 is about 216.7375833605.

Adding to 10181287 its reverse (78218101), we get a palindrome (88399388).

The spelling of 10181287 in words is "ten million, one hundred eighty-one thousand, two hundred eighty-seven".