561324041 has 2 divisors, whose sum is σ = 561324042. Its totient is φ = 561324040.

The previous prime is 561323981. The next prime is 561324059. The reversal of 561324041 is 140423165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559086025 + 2238016 = 23645^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 561324041 - 2⁶ = 561323977 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561324041.

It is not a weakly prime, because it can be changed into another prime (531324041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280662020 + 280662021.

It is an arithmetic number, because the mean of its divisors is an integer number (280662021).

Almost surely, 2^561324041 is an apocalyptic number.

It is an amenable number.

561324041 is a deficient number, since it is larger than the sum of its proper divisors (1).

561324041 is an equidigital number, since it uses as much as digits as its factorization.

561324041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 561324041 is about 23692.2780880185. The cubic root of 561324041 is about 824.9061618400.

The spelling of 561324041 in words is "five hundred sixty-one million, three hundred twenty-four thousand, forty-one".