65425313 has 8 divisors (see below), whose sum is σ = 66066408. Its totient is φ = 64787584.

The previous prime is 65425307. The next prime is 65425337. The reversal of 65425313 is 31352456.

It can be written as a sum of positive squares in 4 ways, for example, as 8392609 + 57032704 = 2897^2 + 7552^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65425313 is a prime.

It is a super-2 number, since 2×65425313² = 8560943162295938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65425013) 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, 54245 + ... + 55437.

It is an arithmetic number, because the mean of its divisors is an integer number (8258301).

Almost surely, 2^65425313 is an apocalyptic number.

It is an amenable number.

65425313 is a deficient number, since it is larger than the sum of its proper divisors (641095).

65425313 is a wasteful number, since it uses less digits than its factorization.

65425313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its digits is 10800, while the sum is 29.

The square root of 65425313 is about 8088.5915337591. The cubic root of 65425313 is about 402.9476274591.

Adding to 65425313 its reverse (31352456), we get a palindrome (96777769).

The spelling of 65425313 in words is "sixty-five million, four hundred twenty-five thousand, three hundred thirteen".