969521 has 8 divisors (see below), whose sum is σ = 1134144. Its totient is φ = 811440.

The previous prime is 969509. The next prime is 969533. The reversal of 969521 is 125969.

It is an interprime number because it is at equal distance from previous prime (969509) and next prime (969533).

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

It is not a de Polignac number, because 969521 - 2⁶ = 969457 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (969421) 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 7 ways as a sum of consecutive naturals, for example, 1310 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (141768).

2⁹⁶⁹⁵²¹ is an apocalyptic number.

It is an amenable number.

969521 is a deficient number, since it is larger than the sum of its proper divisors (164623).

969521 is a wasteful number, since it uses less digits than its factorization.

969521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271.

The product of its digits is 4860, while the sum is 32.

The square root of 969521 is about 984.6425747448. The cubic root of 969521 is about 98.9735330398.

The spelling of 969521 in words is "nine hundred sixty-nine thousand, five hundred twenty-one".