65512528 has 10 divisors (see below), whose sum is σ = 126930554. Its totient is φ = 32756256.

The previous prime is 65512493. The next prime is 65512553. The reversal of 65512528 is 82521556.

65512528 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., 65092624 + 419904 = 8068^2 + 648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65512493 and 65512502.

It is a congruent number.

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, 2047251 + ... + 2047282.

Almost surely, 2^65512528 is an apocalyptic number.

It is an amenable number.

65512528 is a deficient number, since it is larger than the sum of its proper divisors (61418026).

65512528 is a wasteful number, since it uses less digits than its factorization.

65512528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094541 (or 4094535 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 65512528 is about 8093.9809735383. The cubic root of 65512528 is about 403.1265972975.

Subtracting 65512528 from its reverse (82521556), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 65512528 in words is "sixty-five million, five hundred twelve thousand, five hundred twenty-eight".