69535 has 4 divisors (see below), whose sum is σ = 83448. Its totient is φ = 55624.

The previous prime is 69499. The next prime is 69539. The reversal of 69535 is 53596.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69535 - 2¹³ = 61343 is a prime.

It is a Duffinian number.

69535 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6949 + ... + 6958.

It is an arithmetic number, because the mean of its divisors is an integer number (20862).

2⁶⁹⁵³⁵ is an apocalyptic number.

69535 is a deficient number, since it is larger than the sum of its proper divisors (13913).

69535 is a wasteful number, since it uses less digits than its factorization.

69535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912.

The product of its digits is 4050, while the sum is 28.

The square root of 69535 is about 263.6948994577. The cubic root of 69535 is about 41.1213931483.

The spelling of 69535 in words is "sixty-nine thousand, five hundred thirty-five".