1065712506 has 16 divisors (see below), whose sum is σ = 2131756704. Its totient is φ = 355182224.

The previous prime is 1065712493. The next prime is 1065712573. The reversal of 1065712506 is 6052175601.

It is a super-2 number, since 2×1065712506² = 2271486290889600072, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52240 + ... + 69716.

It is an arithmetic number, because the mean of its divisors is an integer number (133234794).

Almost surely, 2^1065712506 is an apocalyptic number.

1065712506 is an abundant number, since it is smaller than the sum of its proper divisors (1066044198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065712506 is a wasteful number, since it uses less digits than its factorization.

1065712506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27645.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 1065712506 is about 32645.2524266546. The cubic root of 1065712506 is about 1021.4411596715.

The spelling of 1065712506 in words is "one billion, sixty-five million, seven hundred twelve thousand, five hundred six".