648175245 has 8 divisors (see below), whose sum is σ = 1037080416. Its totient is φ = 345693456.

The previous prime is 648175223. The next prime is 648175267. The reversal of 648175245 is 542571846.

It is a happy number.

648175245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (648175223) and next prime (648175267).

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

It is not a de Polignac number, because 648175245 - 2¹³ = 648167053 is a prime.

It is a super-2 number, since 2×648175245² = 840262296461620050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 648175197 and 648175206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21605827 + ... + 21605856.

It is an arithmetic number, because the mean of its divisors is an integer number (129635052).

Almost surely, 2^648175245 is an apocalyptic number.

It is an amenable number.

648175245 is a deficient number, since it is larger than the sum of its proper divisors (388905171).

648175245 is a wasteful number, since it uses less digits than its factorization.

648175245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43211691.

The product of its digits is 268800, while the sum is 42.

The square root of 648175245 is about 25459.2860269097. The cubic root of 648175245 is about 865.4277434947.

The spelling of 648175245 in words is "six hundred forty-eight million, one hundred seventy-five thousand, two hundred forty-five".