32540454013 has 4 divisors (see below), whose sum is σ = 32862636828. Its totient is φ = 32218271200.

The previous prime is 32540454007. The next prime is 32540454017. The reversal of 32540454013 is 31045404523.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27304918564 + 5235535449 = 165242^2 + 72357^2 .

It is a cyclic number.

It is not a de Polignac number, because 32540454013 - 2²¹ = 32538356861 is a prime.

It is a super-2 number, since 2×32540454013² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32540454017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161091256 + ... + 161091457.

It is an arithmetic number, because the mean of its divisors is an integer number (8215659207).

Almost surely, 2^32540454013 is an apocalyptic number.

It is an amenable number.

32540454013 is a deficient number, since it is larger than the sum of its proper divisors (322182815).

32540454013 is a wasteful number, since it uses less digits than its factorization.

32540454013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322182814.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 32540454013 its reverse (31045404523), we get a palindrome (63585858536).

It can be divided in two parts, 32 and 540454013, that added together give a palindrome (540454045).

The spelling of 32540454013 in words is "thirty-two billion, five hundred forty million, four hundred fifty-four thousand, thirteen".