441000061 has 2 divisors, whose sum is σ = 441000062. Its totient is φ = 441000060.

The previous prime is 441000047. The next prime is 441000067. The reversal of 441000061 is 160000144.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235622500 + 205377561 = 15350^2 + 14331^2 .

It is a cyclic number.

It is not a de Polignac number, because 441000061 - 2¹³ = 440991869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440999999 and 441000044.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441000067) 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, 220500030 + 220500031.

It is an arithmetic number, because the mean of its divisors is an integer number (220500031).

Almost surely, 2^441000061 is an apocalyptic number.

It is an amenable number.

441000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

441000061 is an equidigital number, since it uses as much as digits as its factorization.

441000061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 441000061 is about 21000.0014523809. The cubic root of 441000061 is about 761.1662961974.

The spelling of 441000061 in words is "four hundred forty-one million, sixty-one", and thus it is an aban number.