10212449 has 4 divisors (see below), whose sum is σ = 10998036. Its totient is φ = 9426864.

The previous prime is 10212431. The next prime is 10212463. The reversal of 10212449 is 94421201.

10212449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4774225 + 5438224 = 2185^2 + 2332^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212449 - 2²⁰ = 9163873 is a prime.

It is a super-2 number, since 2×10212449² = 208588229155202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392774 + ... + 392799.

It is an arithmetic number, because the mean of its divisors is an integer number (2749509).

Almost surely, 2^10212449 is an apocalyptic number.

It is an amenable number.

10212449 is a deficient number, since it is larger than the sum of its proper divisors (785587).

10212449 is an equidigital number, since it uses as much as digits as its factorization.

10212449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785586.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 10212449 is about 3195.6922567732. The cubic root of 10212449 is about 216.9584820086.

The spelling of 10212449 in words is "ten million, two hundred twelve thousand, four hundred forty-nine".