1041411661 has 2 divisors, whose sum is σ = 1041411662. Its totient is φ = 1041411660.

The previous prime is 1041411643. The next prime is 1041411667. The reversal of 1041411661 is 1661141401.

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., 781202500 + 260209161 = 27950^2 + 16131^2 .

It is a cyclic number.

It is not a de Polignac number, because 1041411661 - 2⁵ = 1041411629 is a prime.

It is a super-3 number, since 3×1041411661³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041411667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520705830 + 520705831.

It is an arithmetic number, because the mean of its divisors is an integer number (520705831).

Almost surely, 2^1041411661 is an apocalyptic number.

It is an amenable number.

1041411661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041411661 is an equidigital number, since it uses as much as digits as its factorization.

1041411661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1041411661 is about 32270.9104457869. The cubic root of 1041411661 is about 1013.6176060592.

The spelling of 1041411661 in words is "one billion, forty-one million, four hundred eleven thousand, six hundred sixty-one".