1560561133 has 2 divisors, whose sum is σ = 1560561134. Its totient is φ = 1560561132.

The previous prime is 1560561061. The next prime is 1560561139. The reversal of 1560561133 is 3311650651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1443012169 + 117548964 = 37987^2 + 10842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1560561133 - 2¹³ = 1560552941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1560561095 and 1560561104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1560561139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780280566 + 780280567.

It is an arithmetic number, because the mean of its divisors is an integer number (780280567).

Almost surely, 2^1560561133 is an apocalyptic number.

It is an amenable number.

1560561133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1560561133 is an equidigital number, since it uses as much as digits as its factorization.

1560561133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1560561133 is about 39503.9381960837. The cubic root of 1560561133 is about 1159.9170404901.

The spelling of 1560561133 in words is "one billion, five hundred sixty million, five hundred sixty-one thousand, one hundred thirty-three".