3905005245 has 8 divisors (see below), whose sum is σ = 6248008416. Its totient is φ = 2082669456.

The previous prime is 3905005231. The next prime is 3905005249. The reversal of 3905005245 is 5425005093.

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

It is not a de Polignac number, because 3905005245 - 2⁸ = 3905004989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3905005249) 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, 130166827 + ... + 130166856.

It is an arithmetic number, because the mean of its divisors is an integer number (781001052).

Almost surely, 2^3905005245 is an apocalyptic number.

It is an amenable number.

3905005245 is a deficient number, since it is larger than the sum of its proper divisors (2343003171).

3905005245 is a wasteful number, since it uses less digits than its factorization.

3905005245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260333691.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 3905005245 is about 62490.0411665731. The cubic root of 3905005245 is about 1574.7340100071.

The spelling of 3905005245 in words is "three billion, nine hundred five million, five thousand, two hundred forty-five".