65326013 has 4 divisors (see below), whose sum is σ = 65586528. Its totient is φ = 65065500.

The previous prime is 65325983. The next prime is 65326031. The reversal of 65326013 is 31062356.

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 not a de Polignac number, because 65326013 - 2¹⁰ = 65324989 is a prime.

It is a super-3 number, since 3×65326013³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65326043) 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, 129881 + ... + 130382.

It is an arithmetic number, because the mean of its divisors is an integer number (16396632).

Almost surely, 2^65326013 is an apocalyptic number.

It is an amenable number.

65326013 is a deficient number, since it is larger than the sum of its proper divisors (260515).

65326013 is a wasteful number, since it uses less digits than its factorization.

65326013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260514.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 65326013 is about 8082.4509277817. The cubic root of 65326013 is about 402.7436648137.

Adding to 65326013 its reverse (31062356), we get a palindrome (96388369).

The spelling of 65326013 in words is "sixty-five million, three hundred twenty-six thousand, thirteen".