32520521245 has 16 divisors (see below), whose sum is σ = 40011112512. Its totient is φ = 25359859840.

The previous prime is 32520521221. The next prime is 32520521249. The reversal of 32520521245 is 54212502523.

It is not a de Polignac number, because 32520521245 - 2¹⁷ = 32520390173 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 (32520521249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170214 + ... + 306616.

It is an arithmetic number, because the mean of its divisors is an integer number (2500694532).

Almost surely, 2^32520521245 is an apocalyptic number.

It is an amenable number.

32520521245 is a deficient number, since it is larger than the sum of its proper divisors (7490591267).

32520521245 is a wasteful number, since it uses less digits than its factorization.

32520521245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137612.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 32520521245 in words is "thirty-two billion, five hundred twenty million, five hundred twenty-one thousand, two hundred forty-five".