65281952 has 24 divisors (see below), whose sum is σ = 128822400. Its totient is φ = 32565184.

The previous prime is 65281933. The next prime is 65281969. The reversal of 65281952 is 25918256.

65281952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13199 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (5367600).

Almost surely, 2^65281952 is an apocalyptic number.

It is an amenable number.

65281952 is a deficient number, since it is larger than the sum of its proper divisors (63540448).

65281952 is a wasteful number, since it uses less digits than its factorization.

65281952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748 (or 4740 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 65281952 is about 8079.7247477869. The cubic root of 65281952 is about 402.6530971164.

The spelling of 65281952 in words is "sixty-five million, two hundred eighty-one thousand, nine hundred fifty-two".