65040313 has 4 divisors (see below), whose sum is σ = 70043428. Its totient is φ = 60037200.

The previous prime is 65040307. The next prime is 65040323. The reversal of 65040313 is 31304056.

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 6487209 + 58553104 = 2547^2 + 7652^2 .

It is a cyclic number.

It is not a de Polignac number, because 65040313 - 2¹⁷ = 64909241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65040323) 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, 2501538 + ... + 2501563.

It is an arithmetic number, because the mean of its divisors is an integer number (17510857).

Almost surely, 2^65040313 is an apocalyptic number.

It is an amenable number.

65040313 is a deficient number, since it is larger than the sum of its proper divisors (5003115).

65040313 is a wasteful number, since it uses less digits than its factorization.

65040313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003114.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 65040313 is about 8064.7574669050. The cubic root of 65040313 is about 402.1556804846.

Adding to 65040313 its reverse (31304056), we get a palindrome (96344369).

The spelling of 65040313 in words is "sixty-five million, forty thousand, three hundred thirteen".