69613 has 4 divisors (see below), whose sum is σ = 70720. Its totient is φ = 68508.

The previous prime is 69593. The next prime is 69623. The reversal of 69613 is 31696.

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 a de Polignac number, because none of the positive numbers 2^k-69613 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69623) 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, 453 + ... + 586.

It is an arithmetic number, because the mean of its divisors is an integer number (17680).

2⁶⁹⁶¹³ is an apocalyptic number.

It is an amenable number.

69613 is a deficient number, since it is larger than the sum of its proper divisors (1107).

69613 is a wasteful number, since it uses less digits than its factorization.

69613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its digits is 972, while the sum is 25.

The square root of 69613 is about 263.8427562015. The cubic root of 69613 is about 41.1367632022.

The spelling of 69613 in words is "sixty-nine thousand, six hundred thirteen".