65570532 has 12 divisors (see below), whose sum is σ = 152997936. Its totient is φ = 21856840.

The previous prime is 65570509. The next prime is 65570551. The reversal of 65570532 is 23507556.

65570532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 65570493 and 65570502.

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, 2732094 + ... + 2732117.

It is an arithmetic number, because the mean of its divisors is an integer number (12749828).

Almost surely, 2^65570532 is an apocalyptic number.

It is an amenable number.

65570532 is an abundant number, since it is smaller than the sum of its proper divisors (87427404).

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

65570532 is a wasteful number, since it uses less digits than its factorization.

65570532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464218 (or 5464216 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 65570532 is about 8097.5633372021. The cubic root of 65570532 is about 403.2455366732.

The spelling of 65570532 in words is "sixty-five million, five hundred seventy thousand, five hundred thirty-two".