10500449 has 2 divisors, whose sum is σ = 10500450. Its totient is φ = 10500448.

The previous prime is 10500439. The next prime is 10500461. The reversal of 10500449 is 94400501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 1014049 = 3080^2 + 1007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10500449 is a prime.

It is a super-2 number, since 2×10500449² = 220518858403202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10500439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250224 + 5250225.

It is an arithmetic number, because the mean of its divisors is an integer number (5250225).

Almost surely, 2^10500449 is an apocalyptic number.

It is an amenable number.

10500449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500449 is an equidigital number, since it uses as much as digits as its factorization.

10500449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10500449 is about 3240.4396306674. The cubic root of 10500449 is about 218.9790782262.

The spelling of 10500449 in words is "ten million, five hundred thousand, four hundred forty-nine".