1065000961 has 4 divisors (see below), whose sum is σ = 1065773524. Its totient is φ = 1064228400.

The previous prime is 1065000941. The next prime is 1065000973. The reversal of 1065000961 is 1690005601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 587141361 + 477859600 = 24231^2 + 21860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065000961 - 2⁵ = 1065000929 is a prime.

It is a super-2 number, since 2×1065000961² = 2268454093861847042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065000941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384210 + ... + 386971.

It is an arithmetic number, because the mean of its divisors is an integer number (266443381).

Almost surely, 2^1065000961 is an apocalyptic number.

It is an amenable number.

1065000961 is a deficient number, since it is larger than the sum of its proper divisors (772563).

1065000961 is an equidigital number, since it uses as much as digits as its factorization.

1065000961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772562.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1065000961 is about 32634.3524679133. The cubic root of 1065000961 is about 1021.2137802859.

The spelling of 1065000961 in words is "one billion, sixty-five million, nine hundred sixty-one", and thus it is an aban number.