65528133 has 16 divisors (see below), whose sum is σ = 95510016. Its totient is φ = 39632240.

The previous prime is 65528129. The next prime is 65528137. The reversal of 65528133 is 33182556.

It is an interprime number because it is at equal distance from previous prime (65528129) and next prime (65528137).

It is a cyclic number.

It is not a de Polignac number, because 65528133 - 2² = 65528129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 65528094 and 65528103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65528137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16816 + ... + 20342.

It is an arithmetic number, because the mean of its divisors is an integer number (5969376).

Almost surely, 2^65528133 is an apocalyptic number.

It is an amenable number.

65528133 is a deficient number, since it is larger than the sum of its proper divisors (29981883).

65528133 is a wasteful number, since it uses less digits than its factorization.

65528133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104.

The product of its digits is 21600, while the sum is 33.

The square root of 65528133 is about 8094.9449040744. The cubic root of 65528133 is about 403.1586028356.

The spelling of 65528133 in words is "sixty-five million, five hundred twenty-eight thousand, one hundred thirty-three".