107505449 has 2 divisors, whose sum is σ = 107505450. Its totient is φ = 107505448.

The previous prime is 107505397. The next prime is 107505451. The reversal of 107505449 is 944505701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60171049 + 47334400 = 7757^2 + 6880^2 .

It is a cyclic number.

It is not a de Polignac number, because 107505449 - 2⁸ = 107505193 is a prime.

Together with 107505451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (107505469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53752724 + 53752725.

It is an arithmetic number, because the mean of its divisors is an integer number (53752725).

Almost surely, 2^107505449 is an apocalyptic number.

It is an amenable number.

107505449 is a deficient number, since it is larger than the sum of its proper divisors (1).

107505449 is an equidigital number, since it uses as much as digits as its factorization.

107505449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 107505449 is about 10368.4834474478. The cubic root of 107505449 is about 475.4923043584.

The spelling of 107505449 in words is "one hundred seven million, five hundred five thousand, four hundred forty-nine".