4451233725 has 18 divisors (see below), whose sum is σ = 7972654586. Its totient is φ = 2373991200.

The previous prime is 4451233667. The next prime is 4451233733. The reversal of 4451233725 is 5273321544.

4451233725 is a `hidden beast` number, since 44 + 512 + 33 + 72 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 18071001 + 4433162724 = 4251^2 + 66582^2 .

It is not a de Polignac number, because 4451233725 - 2¹⁷ = 4451102653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4451233725.

It is a congruent number.

It is an unprimeable number.

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 in 17 ways as a sum of consecutive naturals, for example, 9891406 + ... + 9891855.

Almost surely, 2^4451233725 is an apocalyptic number.

4451233725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4451233725 is a deficient number, since it is larger than the sum of its proper divisors (3521420861).

4451233725 is a wasteful number, since it uses less digits than its factorization.

4451233725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19783277 (or 19783269 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 4451233725 is about 66717.5668396263. The cubic root of 4451233725 is about 1644.9781472385.

The spelling of 4451233725 in words is "four billion, four hundred fifty-one million, two hundred thirty-three thousand, seven hundred twenty-five".