65413013 has 4 divisors (see below), whose sum is σ = 65473740. Its totient is φ = 65352288.

The previous prime is 65412973. The next prime is 65413021. The reversal of 65413013 is 31031456.

It is a happy number.

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 26450449 + 38962564 = 5143^2 + 6242^2 .

It is a cyclic number.

It is not a de Polignac number, because 65413013 - 2¹⁴ = 65396629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65413013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65413063) 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, 28718 + ... + 30911.

It is an arithmetic number, because the mean of its divisors is an integer number (16368435).

Almost surely, 2^65413013 is an apocalyptic number.

It is an amenable number.

65413013 is a deficient number, since it is larger than the sum of its proper divisors (60727).

65413013 is a wasteful number, since it uses less digits than its factorization.

65413013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60726.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 65413013 is about 8087.8311678719. The cubic root of 65413013 is about 402.9223744073.

Adding to 65413013 its reverse (31031456), we get a palindrome (96444469).

The spelling of 65413013 in words is "sixty-five million, four hundred thirteen thousand, thirteen".