10870009 has 2 divisors, whose sum is σ = 10870010. Its totient is φ = 10870008.

The previous prime is 10870003. The next prime is 10870031. The reversal of 10870009 is 90007801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10705984 + 164025 = 3272^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 10870009 - 2¹³ = 10861817 is a prime.

It is not a weakly prime, because it can be changed into another prime (10870003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5435004 + 5435005.

It is an arithmetic number, because the mean of its divisors is an integer number (5435005).

Almost surely, 2^10870009 is an apocalyptic number.

It is an amenable number.

10870009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10870009 is an equidigital number, since it uses as much as digits as its factorization.

10870009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 10870009 is about 3296.9696692569. The cubic root of 10870009 is about 221.5184826283.

The spelling of 10870009 in words is "ten million, eight hundred seventy thousand, nine".