5625449 has 6 divisors (see below), whose sum is σ = 5826990. Its totient is φ = 5430656.

The previous prime is 5625439. The next prime is 5625457. The reversal of 5625449 is 9445265.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1795600 + 3829849 = 1340^2 + 1957^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5625449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5625439) 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 in 5 ways as a sum of consecutive naturals, for example, 2504 + ... + 4185.

It is an arithmetic number, because the mean of its divisors is an integer number (971165).

Almost surely, 2^5625449 is an apocalyptic number.

It is an amenable number.

5625449 is a deficient number, since it is larger than the sum of its proper divisors (201541).

5625449 is an equidigital number, since it uses as much as digits as its factorization.

5625449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747 (or 6718 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 5625449 is about 2371.8029007487. The cubic root of 5625449 is about 177.8493970841.

The spelling of 5625449 in words is "five million, six hundred twenty-five thousand, four hundred forty-nine".