32171145425 has 6 divisors (see below), whose sum is σ = 39892220358. Its totient is φ = 25736916320.

The previous prime is 32171145361. The next prime is 32171145443. The reversal of 32171145425 is 52454117123.

It can be written as a sum of positive squares in 3 ways, for example, as 9953454289 + 22217691136 = 99767^2 + 149056^2 .

It is not a de Polignac number, because 32171145425 - 2⁶ = 32171145361 is a prime.

It is a Duffinian 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, 643422884 + ... + 643422933.

It is an arithmetic number, because the mean of its divisors is an integer number (6648703393).

Almost surely, 2^32171145425 is an apocalyptic number.

It is an amenable number.

32171145425 is a deficient number, since it is larger than the sum of its proper divisors (7721074933).

32171145425 is a wasteful number, since it uses less digits than its factorization.

32171145425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286845827 (or 1286845822 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The spelling of 32171145425 in words is "thirty-two billion, one hundred seventy-one million, one hundred forty-five thousand, four hundred twenty-five".