10512209 has 2 divisors, whose sum is σ = 10512210. Its totient is φ = 10512208.

The previous prime is 10512169. The next prime is 10512221. The reversal of 10512209 is 90221501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9628609 + 883600 = 3103^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 10512209 - 2¹⁶ = 10446673 is a prime.

It is a super-2 number, since 2×10512209² = 221013076119362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10512269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256104 + 5256105.

It is an arithmetic number, because the mean of its divisors is an integer number (5256105).

Almost surely, 2^10512209 is an apocalyptic number.

It is an amenable number.

10512209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10512209 is an equidigital number, since it uses as much as digits as its factorization.

10512209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10512209 is about 3242.2536914930. The cubic root of 10512209 is about 219.0607964205.

The spelling of 10512209 in words is "ten million, five hundred twelve thousand, two hundred nine".