45725217 has 8 divisors (see below), whose sum is σ = 62933760. Its totient is φ = 29500080.

The previous prime is 45725203. The next prime is 45725227. The reversal of 45725217 is 71252754.

45725217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45725217 - 2⁴ = 45725201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45725227) 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 7 ways as a sum of consecutive naturals, for example, 245742 + ... + 245927.

It is an arithmetic number, because the mean of its divisors is an integer number (7866720).

Almost surely, 2^45725217 is an apocalyptic number.

It is an amenable number.

45725217 is a deficient number, since it is larger than the sum of its proper divisors (17208543).

45725217 is a wasteful number, since it uses less digits than its factorization.

45725217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491703.

The product of its digits is 19600, while the sum is 33.

The square root of 45725217 is about 6762.0423689888. The cubic root of 45725217 is about 357.5899120192.

The spelling of 45725217 in words is "forty-five million, seven hundred twenty-five thousand, two hundred seventeen".