65125533 has 8 divisors (see below), whose sum is σ = 94728096. Its totient is φ = 39470000.

The previous prime is 65125523. The next prime is 65125573. The reversal of 65125533 is 33552156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65125533 - 2⁴ = 65125517 is a prime.

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 65125533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65125523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986718 + ... + 986783.

It is an arithmetic number, because the mean of its divisors is an integer number (11841012).

Almost surely, 2^65125533 is an apocalyptic number.

It is an amenable number.

65125533 is a deficient number, since it is larger than the sum of its proper divisors (29602563).

65125533 is a wasteful number, since it uses less digits than its factorization.

65125533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973515.

The product of its digits is 13500, while the sum is 30.

The square root of 65125533 is about 8070.0392192356. The cubic root of 65125533 is about 402.3312472373.

Adding to 65125533 its reverse (33552156), we get a palindrome (98677689).

The spelling of 65125533 in words is "sixty-five million, one hundred twenty-five thousand, five hundred thirty-three".