65472305 has 4 divisors (see below), whose sum is σ = 78566772. Its totient is φ = 52377840.

The previous prime is 65472289. The next prime is 65472349. The reversal of 65472305 is 50327456.

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 20421361 + 45050944 = 4519^2 + 6712^2 .

It is not a de Polignac number, because 65472305 - 2⁴ = 65472289 is a prime.

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

It is a Duffinian 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, 6547226 + ... + 6547235.

It is an arithmetic number, because the mean of its divisors is an integer number (19641693).

Almost surely, 2^65472305 is an apocalyptic number.

It is an amenable number.

65472305 is a deficient number, since it is larger than the sum of its proper divisors (13094467).

65472305 is a wasteful number, since it uses less digits than its factorization.

65472305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13094466.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 65472305 is about 8091.4958444036. The cubic root of 65472305 is about 403.0440773008.

The spelling of 65472305 in words is "sixty-five million, four hundred seventy-two thousand, three hundred five".