65513413 has 4 divisors (see below), whose sum is σ = 74872480. Its totient is φ = 56154348.

The previous prime is 65513401. The next prime is 65513419. The reversal of 65513413 is 31431556.

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 a de Polignac number, because none of the positive numbers 2^k-65513413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65513419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4679523 + ... + 4679536.

It is an arithmetic number, because the mean of its divisors is an integer number (18718120).

Almost surely, 2^65513413 is an apocalyptic number.

It is an amenable number.

65513413 is a deficient number, since it is larger than the sum of its proper divisors (9359067).

65513413 is an equidigital number, since it uses as much as digits as its factorization.

65513413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9359066.

The product of its digits is 5400, while the sum is 28.

The square root of 65513413 is about 8094.0356436082. The cubic root of 65513413 is about 403.1284125505.

Adding to 65513413 its reverse (31431556), we get a palindrome (96944969).

The spelling of 65513413 in words is "sixty-five million, five hundred thirteen thousand, four hundred thirteen".