1043060561 has 2 divisors, whose sum is σ = 1043060562. Its totient is φ = 1043060560.

The previous prime is 1043060549. The next prime is 1043060563. The reversal of 1043060561 is 1650603401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 876160000 + 166900561 = 29600^2 + 12919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043060561 is a prime.

Together with 1043060563, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043060561.

It is not a weakly prime, because it can be changed into another prime (1043060563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521530280 + 521530281.

It is an arithmetic number, because the mean of its divisors is an integer number (521530281).

Almost surely, 2^1043060561 is an apocalyptic number.

It is an amenable number.

1043060561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043060561 is an equidigital number, since it uses as much as digits as its factorization.

1043060561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1043060561 is about 32296.4481174014. The cubic root of 1043060561 is about 1014.1522882302.

Adding to 1043060561 its reverse (1650603401), we get a palindrome (2693663962).

The spelling of 1043060561 in words is "one billion, forty-three million, sixty thousand, five hundred sixty-one".