10061209 has 2 divisors, whose sum is σ = 10061210. Its totient is φ = 10061208.

The previous prime is 10061201. The next prime is 10061213. The reversal of 10061209 is 90216001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7590025 + 2471184 = 2755^2 + 1572^2 .

It is an emirp because it is prime and its reverse (90216001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10061209 - 2³ = 10061201 is a prime.

It is not a weakly prime, because it can be changed into another prime (10061201) 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, 5030604 + 5030605.

It is an arithmetic number, because the mean of its divisors is an integer number (5030605).

Almost surely, 2^10061209 is an apocalyptic number.

It is an amenable number.

10061209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10061209 is an equidigital number, since it uses as much as digits as its factorization.

10061209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 10061209 is about 3171.9408884782. The cubic root of 10061209 is about 215.8821444971.

The spelling of 10061209 in words is "ten million, sixty-one thousand, two hundred nine".