415000561 has 2 divisors, whose sum is σ = 415000562. Its totient is φ = 415000560.

The previous prime is 415000541. The next prime is 415000589. The reversal of 415000561 is 165000514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382007025 + 32993536 = 19545^2 + 5744^2 .

It is a cyclic number.

It is not a de Polignac number, because 415000561 - 2⁵ = 415000529 is a prime.

It is not a weakly prime, because it can be changed into another prime (415000541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207500280 + 207500281.

It is an arithmetic number, because the mean of its divisors is an integer number (207500281).

Almost surely, 2^415000561 is an apocalyptic number.

It is an amenable number.

415000561 is a deficient number, since it is larger than the sum of its proper divisors (1).

415000561 is an equidigital number, since it uses as much as digits as its factorization.

415000561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 415000561 is about 20371.5625566622. The cubic root of 415000561 is about 745.9039286950.

The spelling of 415000561 in words is "four hundred fifteen million, five hundred sixty-one", and thus it is an aban number.