561325033 has 2 divisors, whose sum is σ = 561325034. Its totient is φ = 561325032.

The previous prime is 561325021. The next prime is 561325043. The reversal of 561325033 is 330523165.

561325033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532132624 + 29192409 = 23068^2 + 5403^2 .

It is a cyclic number.

It is not a de Polignac number, because 561325033 - 2⁵ = 561325001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561324992 and 561325010.

It is not a weakly prime, because it can be changed into another prime (561325003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280662516 + 280662517.

It is an arithmetic number, because the mean of its divisors is an integer number (280662517).

Almost surely, 2^561325033 is an apocalyptic number.

It is an amenable number.

561325033 is a deficient number, since it is larger than the sum of its proper divisors (1).

561325033 is an equidigital number, since it uses as much as digits as its factorization.

561325033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 561325033 is about 23692.2990231003. The cubic root of 561325033 is about 824.9066477782.

Adding to 561325033 its reverse (330523165), we get a palindrome (891848198).

The spelling of 561325033 in words is "five hundred sixty-one million, three hundred twenty-five thousand, thirty-three".