3875521305 has 8 divisors (see below), whose sum is σ = 6200834112. Its totient is φ = 2066944688.

The previous prime is 3875521291. The next prime is 3875521361. The reversal of 3875521305 is 5031255783.

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

It is a cyclic number.

It is not a de Polignac number, because 3875521305 - 2⁸ = 3875521049 is a prime.

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, 129184029 + ... + 129184058.

It is an arithmetic number, because the mean of its divisors is an integer number (775104264).

Almost surely, 2^3875521305 is an apocalyptic number.

It is an amenable number.

3875521305 is a deficient number, since it is larger than the sum of its proper divisors (2325312807).

3875521305 is a wasteful number, since it uses less digits than its factorization.

3875521305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258368095.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 3875521305 is about 62253.6850716486. The cubic root of 3875521305 is about 1570.7607581961.

The spelling of 3875521305 in words is "three billion, eight hundred seventy-five million, five hundred twenty-one thousand, three hundred five".