1061730361 has 2 divisors, whose sum is σ = 1061730362. Its totient is φ = 1061730360.

The previous prime is 1061730337. The next prime is 1061730391. The reversal of 1061730361 is 1630371601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 597069225 + 464661136 = 24435^2 + 21556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061730361 - 2²¹ = 1059633209 is a prime.

It is a super-2 number, since 2×1061730361² = 2254542718938380642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061730391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530865180 + 530865181.

It is an arithmetic number, because the mean of its divisors is an integer number (530865181).

Almost surely, 2^1061730361 is an apocalyptic number.

It is an amenable number.

1061730361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061730361 is an equidigital number, since it uses as much as digits as its factorization.

1061730361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1061730361 is about 32584.2041639811. The cubic root of 1061730361 is about 1020.1673315762.

The spelling of 1061730361 in words is "one billion, sixty-one million, seven hundred thirty thousand, three hundred sixty-one".