32520313373 has 2 divisors, whose sum is σ = 32520313374. Its totient is φ = 32520313372.

The previous prime is 32520313363. The next prime is 32520313381. The reversal of 32520313373 is 37331302523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31611773209 + 908540164 = 177797^2 + 30142^2 .

It is a cyclic number.

It is not a de Polignac number, because 32520313373 - 2³⁰ = 31446571549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32520313313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16260156686 + 16260156687.

It is an arithmetic number, because the mean of its divisors is an integer number (16260156687).

Almost surely, 2^32520313373 is an apocalyptic number.

It is an amenable number.

32520313373 is a deficient number, since it is larger than the sum of its proper divisors (1).

32520313373 is an equidigital number, since it uses as much as digits as its factorization.

32520313373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 32.

Adding to 32520313373 its reverse (37331302523), we get a palindrome (69851615896).

The spelling of 32520313373 in words is "thirty-two billion, five hundred twenty million, three hundred thirteen thousand, three hundred seventy-three".