1069006261 has 2 divisors, whose sum is σ = 1069006262. Its totient is φ = 1069006260.

The previous prime is 1069006217. The next prime is 1069006297. The reversal of 1069006261 is 1626009601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 869660100 + 199346161 = 29490^2 + 14119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069006261 - 2¹¹ = 1069004213 is a prime.

It is a super-2 number, since 2×1069006261² = 2285548772114400242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069006061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534503130 + 534503131.

It is an arithmetic number, because the mean of its divisors is an integer number (534503131).

Almost surely, 2^1069006261 is an apocalyptic number.

It is an amenable number.

1069006261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069006261 is an equidigital number, since it uses as much as digits as its factorization.

1069006261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1069006261 is about 32695.6611953329. The cubic root of 1069006261 is about 1022.4923865264.

The spelling of 1069006261 in words is "one billion, sixty-nine million, six thousand, two hundred sixty-one".