43725453 has 16 divisors (see below), whose sum is σ = 61275456. Its totient is φ = 27699840.

The previous prime is 43725449. The next prime is 43725499. The reversal of 43725453 is 35452734.

43725453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43725453 - 2² = 43725449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43725653) 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 15 ways as a sum of consecutive naturals, for example, 193 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (3829716).

Almost surely, 2^43725453 is an apocalyptic number.

43725453 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

43725453 is a deficient number, since it is larger than the sum of its proper divisors (17550003).

43725453 is a wasteful number, since it uses less digits than its factorization.

43725453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9244.

The product of its digits is 50400, while the sum is 33.

The square root of 43725453 is about 6612.5224385253. The cubic root of 43725453 is about 352.2990233059.

The spelling of 43725453 in words is "forty-three million, seven hundred twenty-five thousand, four hundred fifty-three".