1065705513 has 4 divisors (see below), whose sum is σ = 1420940688. Its totient is φ = 710470340.

The previous prime is 1065705493. The next prime is 1065705521. The reversal of 1065705513 is 3155075601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1065705513 - 2⁶ = 1065705449 is a prime.

It is a super-2 number, since 2×1065705513² = 2271456480877186338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065705523) 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, 177617583 + ... + 177617588.

It is an arithmetic number, because the mean of its divisors is an integer number (355235172).

Almost surely, 2^1065705513 is an apocalyptic number.

It is an amenable number.

1065705513 is a deficient number, since it is larger than the sum of its proper divisors (355235175).

1065705513 is an equidigital number, since it uses as much as digits as its factorization.

1065705513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355235174.

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 1065705513 is about 32645.1453205526. The cubic root of 1065705513 is about 1021.4389255000.

The spelling of 1065705513 in words is "one billion, sixty-five million, seven hundred five thousand, five hundred thirteen".