1065565937 has 8 divisors (see below), whose sum is σ = 1102804200. Its totient is φ = 1028360704.

The previous prime is 1065565913. The next prime is 1065565957. The reversal of 1065565937 is 7395655601.

It can be written as a sum of positive squares in 4 ways, for example, as 86564416 + 979001521 = 9304^2 + 31289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1065565937 - 2⁸ = 1065565681 is a prime.

It is a super-2 number, since 2×1065565937² = 2270861532189375938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1065565891 and 1065565900.

It is not an unprimeable number, because it can be changed into a prime (1065565957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70139 + ... + 83967.

It is an arithmetic number, because the mean of its divisors is an integer number (137850525).

Almost surely, 2^1065565937 is an apocalyptic number.

It is an amenable number.

1065565937 is a deficient number, since it is larger than the sum of its proper divisors (37238263).

1065565937 is a wasteful number, since it uses less digits than its factorization.

1065565937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16515.

The product of its (nonzero) digits is 850500, while the sum is 47.

The square root of 1065565937 is about 32643.0074748023. The cubic root of 1065565937 is about 1021.3943307590.

The spelling of 1065565937 in words is "one billion, sixty-five million, five hundred sixty-five thousand, nine hundred thirty-seven".