662004065 has 4 divisors (see below), whose sum is σ = 794404884. Its totient is φ = 529603248.

The previous prime is 662004043. The next prime is 662004067. The reversal of 662004065 is 560400266.

662004065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 435682129 + 226321936 = 20873^2 + 15044^2 .

It is a cyclic number.

It is not a de Polignac number, because 662004065 - 2⁶ = 662004001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (662004067) 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, 66200402 + ... + 66200411.

It is an arithmetic number, because the mean of its divisors is an integer number (198601221).

Almost surely, 2^662004065 is an apocalyptic number.

It is an amenable number.

662004065 is a deficient number, since it is larger than the sum of its proper divisors (132400819).

662004065 is a wasteful number, since it uses less digits than its factorization.

662004065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132400818.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 662004065 is about 25729.4396557718. The cubic root of 662004065 is about 871.5391194585.

The spelling of 662004065 in words is "six hundred sixty-two million, four thousand, sixty-five".