969613 has 4 divisors (see below), whose sum is σ = 973728. Its totient is φ = 965500.

The previous prime is 969599. The next prime is 969637. The reversal of 969613 is 316969.

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, and also an emirpimes, since its reverse is a distinct semiprime: 316969 = 563².

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-969613 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969113) 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, 1681 + ... + 2182.

It is an arithmetic number, because the mean of its divisors is an integer number (243432).

2⁹⁶⁹⁶¹³ is an apocalyptic number.

It is an amenable number.

969613 is a deficient number, since it is larger than the sum of its proper divisors (4115).

969613 is a wasteful number, since it uses less digits than its factorization.

969613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114.

The product of its digits is 8748, while the sum is 34.

The square root of 969613 is about 984.6892910964. The cubic root of 969613 is about 98.9766635469.

The spelling of 969613 in words is "nine hundred sixty-nine thousand, six hundred thirteen".