4525017721 has 8 divisors (see below), whose sum is σ = 5475651840. Its totient is φ = 3650434368.

The previous prime is 4525017719. The next prime is 4525017779. The reversal of 4525017721 is 1277105254.

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

It is not a de Polignac number, because 4525017721 - 2¹ = 4525017719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4525017421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19012561 + ... + 19012798.

It is an arithmetic number, because the mean of its divisors is an integer number (684456480).

Almost surely, 2^4525017721 is an apocalyptic number.

It is an amenable number.

4525017721 is a deficient number, since it is larger than the sum of its proper divisors (950634119).

4525017721 is a wasteful number, since it uses less digits than its factorization.

4525017721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38025383.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 4525017721 is about 67268.2519543952. The cubic root of 4525017721 is about 1654.0174793344.

The spelling of 4525017721 in words is "four billion, five hundred twenty-five million, seventeen thousand, seven hundred twenty-one".