409170061 has 2 divisors, whose sum is σ = 409170062. Its totient is φ = 409170060.

The previous prime is 409169951. The next prime is 409170067. The reversal of 409170061 is 160071904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343397961 + 65772100 = 18531^2 + 8110^2 .

It is a cyclic number.

It is not a de Polignac number, because 409170061 - 2⁷ = 409169933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409170067) 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 as a sum of consecutive naturals, namely, 204585030 + 204585031.

It is an arithmetic number, because the mean of its divisors is an integer number (204585031).

Almost surely, 2^409170061 is an apocalyptic number.

It is an amenable number.

409170061 is a deficient number, since it is larger than the sum of its proper divisors (1).

409170061 is an equidigital number, since it uses as much as digits as its factorization.

409170061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 409170061 is about 20227.9524668217. The cubic root of 409170061 is about 742.3942786515.

The spelling of 409170061 in words is "four hundred nine million, one hundred seventy thousand, sixty-one".