3232126561 has 4 divisors (see below), whose sum is σ = 3246365232. Its totient is φ = 3217887892.

The previous prime is 3232126549. The next prime is 3232126571. The reversal of 3232126561 is 1656212323.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1656212323 = 193 ⋅8581411.

It is a cyclic number.

It is not a de Polignac number, because 3232126561 - 2²³ = 3223737953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3232126571) 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, 7118995 + ... + 7119448.

It is an arithmetic number, because the mean of its divisors is an integer number (811591308).

Almost surely, 2^3232126561 is an apocalyptic number.

It is an amenable number.

3232126561 is a deficient number, since it is larger than the sum of its proper divisors (14238671).

3232126561 is a wasteful number, since it uses less digits than its factorization.

3232126561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14238670.

The product of its digits is 12960, while the sum is 31.

The square root of 3232126561 is about 56851.7947034216. The cubic root of 3232126561 is about 1478.5276569250.

Adding to 3232126561 its reverse (1656212323), we get a palindrome (4888338884).

The spelling of 3232126561 in words is "three billion, two hundred thirty-two million, one hundred twenty-six thousand, five hundred sixty-one".