65204473 has 8 divisors (see below), whose sum is σ = 67021416. Its totient is φ = 63398400.

The previous prime is 65204453. The next prime is 65204519. The reversal of 65204473 is 37440256.

It can be written as a sum of positive squares in 4 ways, for example, as 12089529 + 53114944 = 3477^2 + 7288^2 .

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 65204473 - 2¹³ = 65196281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65204413) 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, 10293 + ... + 15373.

It is an arithmetic number, because the mean of its divisors is an integer number (8377677).

Almost surely, 2^65204473 is an apocalyptic number.

It is an amenable number.

65204473 is a deficient number, since it is larger than the sum of its proper divisors (1816943).

65204473 is a wasteful number, since it uses less digits than its factorization.

65204473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 65204473 is about 8074.9286684156. The cubic root of 65204473 is about 402.4937395989.

The spelling of 65204473 in words is "sixty-five million, two hundred four thousand, four hundred seventy-three".