1673573225 has 6 divisors (see below), whose sum is σ = 2075230830. Its totient is φ = 1338858560.

The previous prime is 1673573191. The next prime is 1673573249. The reversal of 1673573225 is 5223753761.

It can be written as a sum of positive squares in 3 ways, for example, as 172475689 + 1501097536 = 13133^2 + 38744^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1673573225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33471440 + ... + 33471489.

It is an arithmetic number, because the mean of its divisors is an integer number (345871805).

Almost surely, 2^1673573225 is an apocalyptic number.

It is an amenable number.

1673573225 is a deficient number, since it is larger than the sum of its proper divisors (401657605).

1673573225 is an equidigital number, since it uses as much as digits as its factorization.

1673573225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66942939 (or 66942934 counting only the distinct ones).

The product of its digits is 264600, while the sum is 41.

The square root of 1673573225 is about 40909.3293149619. The cubic root of 1673573225 is about 1187.2665705531.

The spelling of 1673573225 in words is "one billion, six hundred seventy-three million, five hundred seventy-three thousand, two hundred twenty-five".