65623265 has 8 divisors (see below), whose sum is σ = 78807168. Its totient is φ = 52459120.

The previous prime is 65623219. The next prime is 65623273. The reversal of 65623265 is 56232656.

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

It is not a de Polignac number, because 65623265 - 2²⁰ = 64574689 is a prime.

It is a Duffinian 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, 3770 + ... + 12060.

It is an arithmetic number, because the mean of its divisors is an integer number (9850896).

Almost surely, 2^65623265 is an apocalyptic number.

It is an amenable number.

65623265 is a deficient number, since it is larger than the sum of its proper divisors (13183903).

65623265 is a wasteful number, since it uses less digits than its factorization.

65623265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879.

The product of its digits is 64800, while the sum is 35.

The square root of 65623265 is about 8100.8187857772. The cubic root of 65623265 is about 403.3536068098.

The spelling of 65623265 in words is "sixty-five million, six hundred twenty-three thousand, two hundred sixty-five".