1006073561 has 2 divisors, whose sum is σ = 1006073562. Its totient is φ = 1006073560.

The previous prime is 1006073557. The next prime is 1006073603. The reversal of 1006073561 is 1653706001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575760025 + 430313536 = 23995^2 + 20744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006073561 - 2² = 1006073557 is a prime.

It is not a weakly prime, because it can be changed into another prime (1006073261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503036780 + 503036781.

It is an arithmetic number, because the mean of its divisors is an integer number (503036781).

Almost surely, 2^1006073561 is an apocalyptic number.

It is an amenable number.

1006073561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006073561 is an equidigital number, since it uses as much as digits as its factorization.

1006073561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1006073561 is about 31718.6626609635. The cubic root of 1006073561 is about 1002.0204354248.

Adding to 1006073561 its reverse (1653706001), we get a palindrome (2659779562).

The spelling of 1006073561 in words is "one billion, six million, seventy-three thousand, five hundred sixty-one".