1059604661 has 2 divisors, whose sum is σ = 1059604662. Its totient is φ = 1059604660.

The previous prime is 1059604633. The next prime is 1059604691. The reversal of 1059604661 is 1664069501.

1059604661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 767844100 + 291760561 = 27710^2 + 17081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1059604661 - 2¹⁸ = 1059342517 is a prime.

It is a super-2 number, since 2×1059604661² = 2245524075225849842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1059604691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529802330 + 529802331.

It is an arithmetic number, because the mean of its divisors is an integer number (529802331).

Almost surely, 2^1059604661 is an apocalyptic number.

It is an amenable number.

1059604661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1059604661 is an equidigital number, since it uses as much as digits as its factorization.

1059604661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1059604661 is about 32551.5692555674. The cubic root of 1059604661 is about 1019.4860479453.

The spelling of 1059604661 in words is "one billion, fifty-nine million, six hundred four thousand, six hundred sixty-one".