65225313 has 6 divisors (see below), whose sum is σ = 94214354. Its totient is φ = 43483536.

The previous prime is 65225299. The next prime is 65225317. The reversal of 65225313 is 31352256.

65225313 is a `hidden beast` number, since 652 + 2 + 5 + 3 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65173329 + 51984 = 8073^2 + 228^2 .

It is not a de Polignac number, because 65225313 - 2⁶ = 65225249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65225317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3623620 + ... + 3623637.

Almost surely, 2^65225313 is an apocalyptic number.

It is an amenable number.

65225313 is a deficient number, since it is larger than the sum of its proper divisors (28989041).

65225313 is a wasteful number, since it uses less digits than its factorization.

65225313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247263 (or 7247260 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 65225313 is about 8076.2189792006. The cubic root of 65225313 is about 402.5366153694.

Adding to 65225313 its reverse (31352256), we get a palindrome (96577569).

The spelling of 65225313 in words is "sixty-five million, two hundred twenty-five thousand, three hundred thirteen".