65271052 has 48 divisors (see below), whose sum is σ = 144410112. Its totient is φ = 25073280.

The previous prime is 65271043. The next prime is 65271067. The reversal of 65271052 is 25017256.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 65271052.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21033 + ... + 23935.

It is an arithmetic number, because the mean of its divisors is an integer number (3008544).

Almost surely, 2^65271052 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 65271052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72205056).

65271052 is an abundant number, since it is smaller than the sum of its proper divisors (79139060).

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

65271052 is a wasteful number, since it uses less digits than its factorization.

65271052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 65271052 is about 8079.0501916995. The cubic root of 65271052 is about 402.6306858020.

The spelling of 65271052 in words is "sixty-five million, two hundred seventy-one thousand, fifty-two".