9952569 has 24 divisors (see below), whose sum is σ = 15787200. Its totient is φ = 5991840.

The previous prime is 9952559. The next prime is 9952589. The reversal of 9952569 is 9652599.

It is not a de Polignac number, because 9952569 - 2⁷ = 9952441 is a prime.

It is a super-2 number, since 2×9952569² = 198107259399522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 9⁴ + 9⁵ + 5⁶ + 2² + 5¹⁰ + 6⁶ + 9⁵ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9952549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22452 + ... + 22890.

It is an arithmetic number, because the mean of its divisors is an integer number (657800).

Almost surely, 2^9952569 is an apocalyptic number.

9952569 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9952569 is a deficient number, since it is larger than the sum of its proper divisors (5834631).

9952569 is a wasteful number, since it uses less digits than its factorization.

9952569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 682 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 9952569 is about 3154.7692467120. The cubic root of 9952569 is about 215.1023057369.

The spelling of 9952569 in words is "nine million, nine hundred fifty-two thousand, five hundred sixty-nine".