3971525632285 has 8 divisors (see below), whose sum is σ = 4771593557856. Its totient is φ = 3173378639760.

The previous prime is 3971525632267. The next prime is 3971525632313. The reversal of 3971525632285 is 5822365251793.

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

It is a de Polignac number, because none of the positive numbers 2^k-3971525632285 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 480228711 + ... + 480236980.

It is an arithmetic number, because the mean of its divisors is an integer number (596449194732).

Almost surely, 2^{3971525632285} is an apocalyptic number.

It is an amenable number.

3971525632285 is a deficient number, since it is larger than the sum of its proper divisors (800067925571).

3971525632285 is an equidigital number, since it uses as much as digits as its factorization.

3971525632285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960466523.

The product of its digits is 27216000, while the sum is 58.

The spelling of 3971525632285 in words is "three trillion, nine hundred seventy-one billion, five hundred twenty-five million, six hundred thirty-two thousand, two hundred eighty-five".