3040532321 has 2 divisors, whose sum is σ = 3040532322. Its totient is φ = 3040532320.

The previous prime is 3040532317. The next prime is 3040532353. The reversal of 3040532321 is 1232350403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1823290000 + 1217242321 = 42700^2 + 34889^2 .

It is a cyclic number.

It is not a de Polignac number, because 3040532321 - 2² = 3040532317 is a prime.

It is not a weakly prime, because it can be changed into another prime (3040537321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520266160 + 1520266161.

It is an arithmetic number, because the mean of its divisors is an integer number (1520266161).

Almost surely, 2^3040532321 is an apocalyptic number.

It is an amenable number.

3040532321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3040532321 is an equidigital number, since it uses as much as digits as its factorization.

3040532321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3040532321 is about 55141.0221250930. The cubic root of 3040532321 is about 1448.7158382334.

Adding to 3040532321 its reverse (1232350403), we get a palindrome (4272882724).

It can be divided in two parts, 30405 and 32321, that added together give a palindrome (62726).

The spelling of 3040532321 in words is "three billion, forty million, five hundred thirty-two thousand, three hundred twenty-one".