65074565 has 4 divisors (see below), whose sum is σ = 78089484. Its totient is φ = 52059648.

The previous prime is 65074519. The next prime is 65074627. The reversal of 65074565 is 56547056.

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 27888961 + 37185604 = 5281^2 + 6098^2 .

It is a cyclic number.

It is not a de Polignac number, because 65074565 - 2⁶ = 65074501 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6507452 + ... + 6507461.

It is an arithmetic number, because the mean of its divisors is an integer number (19522371).

Almost surely, 2^65074565 is an apocalyptic number.

It is an amenable number.

65074565 is a deficient number, since it is larger than the sum of its proper divisors (13014919).

65074565 is a wasteful number, since it uses less digits than its factorization.

65074565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13014918.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 65074565 is about 8066.8807478480. The cubic root of 65074565 is about 402.2262634734.

The spelling of 65074565 in words is "sixty-five million, seventy-four thousand, five hundred sixty-five".