4517248645925 has 6 divisors (see below), whose sum is σ = 5601388320978. Its totient is φ = 3613798916720.

The previous prime is 4517248645909. The next prime is 4517248645939. The reversal of 4517248645925 is 5295468427154.

It is a happy number.

It is a Cunningham number, because it is equal to 2125382²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 4517248645924 = 1^2 + 2125382^2 .

It is not a de Polignac number, because 4517248645925 - 2⁴ = 4517248645909 is a prime.

It is a super-2 number, since 2×4517248645925² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 90344972894 + ... + 90344972943.

It is an arithmetic number, because the mean of its divisors is an integer number (933564720163).

Almost surely, 2^{4517248645925} is an apocalyptic number.

It is an amenable number.

4517248645925 is a deficient number, since it is larger than the sum of its proper divisors (1084139675053).

4517248645925 is a wasteful number, since it uses less digits than its factorization.

4517248645925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180689945847 (or 180689945842 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 62.

The spelling of 4517248645925 in words is "four trillion, five hundred seventeen billion, two hundred forty-eight million, six hundred forty-five thousand, nine hundred twenty-five".