65351473 has 4 divisors (see below), whose sum is σ = 71292528. Its totient is φ = 59410420.

The previous prime is 65351449. The next prime is 65351483. The reversal of 65351473 is 37415356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65351473 - 2¹⁷ = 65220401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65351423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970511 + ... + 2970532.

It is an arithmetic number, because the mean of its divisors is an integer number (17823132).

Almost surely, 2^65351473 is an apocalyptic number.

It is an amenable number.

65351473 is a deficient number, since it is larger than the sum of its proper divisors (5941055).

65351473 is a wasteful number, since it uses less digits than its factorization.

65351473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941054.

The product of its digits is 37800, while the sum is 34.

The square root of 65351473 is about 8084.0257916461. The cubic root of 65351473 is about 402.7959794605.

It can be divided in two parts, 6535 and 1473, that added together give a palindrome (8008).

The spelling of 65351473 in words is "sixty-five million, three hundred fifty-one thousand, four hundred seventy-three".