32505201413 has 4 divisors (see below), whose sum is σ = 32803414380. Its totient is φ = 32206988448.

The previous prime is 32505201371. The next prime is 32505201433. The reversal of 32505201413 is 31410250523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31410250523 = 29 ⋅1083112087.

It can be written as a sum of positive squares in 2 ways, for example, as 26811442564 + 5693758849 = 163742^2 + 75457^2 .

It is a cyclic number.

It is not a de Polignac number, because 32505201413 - 2¹⁶ = 32505135877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32505201433) 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, 149106320 + ... + 149106537.

It is an arithmetic number, because the mean of its divisors is an integer number (8200853595).

Almost surely, 2^32505201413 is an apocalyptic number.

It is an amenable number.

32505201413 is a deficient number, since it is larger than the sum of its proper divisors (298212967).

32505201413 is a wasteful number, since it uses less digits than its factorization.

32505201413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298212966.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 32505201413 its reverse (31410250523), we get a palindrome (63915451936).

The spelling of 32505201413 in words is "thirty-two billion, five hundred five million, two hundred one thousand, four hundred thirteen".