65752133 has 4 divisors (see below), whose sum is σ = 65779488. Its totient is φ = 65724780.

The previous prime is 65752121. The next prime is 65752163. The reversal of 65752133 is 33125756.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65752133 - 2⁸ = 65751877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65752133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65752163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9683 + ... + 15008.

It is an arithmetic number, because the mean of its divisors is an integer number (16444872).

Almost surely, 2^65752133 is an apocalyptic number.

It is an amenable number.

65752133 is a deficient number, since it is larger than the sum of its proper divisors (27355).

65752133 is a wasteful number, since it uses less digits than its factorization.

65752133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27354.

The product of its digits is 18900, while the sum is 32.

The square root of 65752133 is about 8108.7688954613. The cubic root of 65752133 is about 403.6174633590.

Adding to 65752133 its reverse (33125756), we get a palindrome (98877889).

The spelling of 65752133 in words is "sixty-five million, seven hundred fifty-two thousand, one hundred thirty-three".