65211752 has 8 divisors (see below), whose sum is σ = 122272050. Its totient is φ = 32605872.

The previous prime is 65211733. The next prime is 65211763. The reversal of 65211752 is 25711256.

65211752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40271716 + 24940036 = 6346^2 + 4994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 4075727 + ... + 4075742.

Almost surely, 2^65211752 is an apocalyptic number.

It is an amenable number.

65211752 is a deficient number, since it is larger than the sum of its proper divisors (57060298).

65211752 is a wasteful number, since it uses less digits than its factorization.

65211752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151475 (or 8151471 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 65211752 is about 8075.3793718933. The cubic root of 65211752 is about 402.5087162959.

The spelling of 65211752 in words is "sixty-five million, two hundred eleven thousand, seven hundred fifty-two".