32004012506 has 4 divisors (see below), whose sum is σ = 48006018762. Its totient is φ = 16002006252.

The previous prime is 32004012499. The next prime is 32004012571. The reversal of 32004012506 is 60521040023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60521040023 = 3709 ⋅16317347.

It can be written as a sum of positive squares in only one way, i.e., 28708219225 + 3295793281 = 169435^2 + 57409^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8001003125 + ... + 8001003128.

Almost surely, 2^32004012506 is an apocalyptic number.

32004012506 is a deficient number, since it is larger than the sum of its proper divisors (16002006256).

32004012506 is a wasteful number, since it uses less digits than its factorization.

32004012506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16002006255.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 32004012506 its reverse (60521040023), we get a palindrome (92525052529).

The spelling of 32004012506 in words is "thirty-two billion, four million, twelve thousand, five hundred six".