10280987 has 2 divisors, whose sum is σ = 10280988. Its totient is φ = 10280986.

The previous prime is 10280983. The next prime is 10281017. The reversal of 10280987 is 78908201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10280987 - 2² = 10280983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10280983) 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, 5140493 + 5140494.

It is an arithmetic number, because the mean of its divisors is an integer number (5140494).

Almost surely, 2^10280987 is an apocalyptic number.

10280987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10280987 is an equidigital number, since it uses as much as digits as its factorization.

10280987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 10280987 is about 3206.3978231031. The cubic root of 10280987 is about 217.4427523619.

The spelling of 10280987 in words is "ten million, two hundred eighty thousand, nine hundred eighty-seven".