449725807 has 2 divisors, whose sum is σ = 449725808. Its totient is φ = 449725806.

The previous prime is 449725799. The next prime is 449725819. The reversal of 449725807 is 708527944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449725807 - 2³ = 449725799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449726807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224862903 + 224862904.

It is an arithmetic number, because the mean of its divisors is an integer number (224862904).

Almost surely, 2^449725807 is an apocalyptic number.

449725807 is a deficient number, since it is larger than the sum of its proper divisors (1).

449725807 is an equidigital number, since it uses as much as digits as its factorization.

449725807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 449725807 is about 21206.7396598346. The cubic root of 449725807 is about 766.1537587842.

The spelling of 449725807 in words is "four hundred forty-nine million, seven hundred twenty-five thousand, eight hundred seven".