65670265 has 8 divisors (see below), whose sum is σ = 79380360. Its totient is φ = 52152192.

The previous prime is 65670263. The next prime is 65670299. The reversal of 65670265 is 56207656.

It can be written as a sum of positive squares in 4 ways, for example, as 2499561 + 63170704 = 1581^2 + 7948^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65670265 - 2¹ = 65670263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65670263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47250 + ... + 48619.

It is an arithmetic number, because the mean of its divisors is an integer number (9922545).

Almost surely, 2^65670265 is an apocalyptic number.

It is an amenable number.

65670265 is a deficient number, since it is larger than the sum of its proper divisors (13710095).

65670265 is a wasteful number, since it uses less digits than its factorization.

65670265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96011.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 65670265 is about 8103.7192078699. The cubic root of 65670265 is about 403.4498790462.

The spelling of 65670265 in words is "sixty-five million, six hundred seventy thousand, two hundred sixty-five".