32516971523 has 4 divisors (see below), whose sum is σ = 32565288648. Its totient is φ = 32468654400.

The previous prime is 32516971489. The next prime is 32516971603. The reversal of 32516971523 is 32517961523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32516971523 - 2²⁰ = 32515922947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32516901523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24157553 + ... + 24158898.

It is an arithmetic number, because the mean of its divisors is an integer number (8141322162).

Almost surely, 2^32516971523 is an apocalyptic number.

32516971523 is a deficient number, since it is larger than the sum of its proper divisors (48317125).

32516971523 is an equidigital number, since it uses as much as digits as its factorization.

32516971523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48317124.

The product of its digits is 340200, while the sum is 44.

The spelling of 32516971523 in words is "thirty-two billion, five hundred sixteen million, nine hundred seventy-one thousand, five hundred twenty-three".