65331305052 has 96 divisors (see below), whose sum is σ = 171957316608. Its totient is φ = 19154555904.

The previous prime is 65331305047. The next prime is 65331305057. The reversal of 65331305052 is 25050313356.

65331305052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65331305047) and next prime (65331305057).

It is a super-3 number, since 3×65331305052³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65331305057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909028 + ... + 978260.

It is an arithmetic number, because the mean of its divisors is an integer number (1791222048).

Almost surely, 2^65331305052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65331305052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85978658304).

65331305052 is an abundant number, since it is smaller than the sum of its proper divisors (106626011556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65331305052 is a wasteful number, since it uses less digits than its factorization.

65331305052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69539 (or 69537 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 33.

The spelling of 65331305052 in words is "sixty-five billion, three hundred thirty-one million, three hundred five thousand, fifty-two".