3232787561 has 4 divisors (see below), whose sum is σ = 3264173952. Its totient is φ = 3201401172.

The previous prime is 3232787527. The next prime is 3232787567. The reversal of 3232787561 is 1657872323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3232787561 - 2¹⁰ = 3232786537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3232787567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15693041 + ... + 15693246.

It is an arithmetic number, because the mean of its divisors is an integer number (816043488).

Almost surely, 2^3232787561 is an apocalyptic number.

It is an amenable number.

3232787561 is a deficient number, since it is larger than the sum of its proper divisors (31386391).

3232787561 is a wasteful number, since it uses less digits than its factorization.

3232787561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31386390.

The product of its digits is 423360, while the sum is 44.

The square root of 3232787561 is about 56857.6077671229. The cubic root of 3232787561 is about 1478.6284409494.

The spelling of 3232787561 in words is "three billion, two hundred thirty-two million, seven hundred eighty-seven thousand, five hundred sixty-one".