9999259 has 4 divisors (see below), whose sum is σ = 10119816. Its totient is φ = 9878704.

The previous prime is 9999233. The next prime is 9999271. The reversal of 9999259 is 9529999.

9999259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9529999 = 41 ⋅232439.

It is a cyclic number.

It is not a de Polignac number, because 9999259 - 2¹³ = 9991067 is a prime.

It is a super-3 number, since 3×9999259³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9999289) 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, 60154 + ... + 60319.

It is an arithmetic number, because the mean of its divisors is an integer number (2529954).

Almost surely, 2^9999259 is an apocalyptic number.

9999259 is a deficient number, since it is larger than the sum of its proper divisors (120557).

9999259 is a wasteful number, since it uses less digits than its factorization.

9999259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120556.

The product of its digits is 590490, while the sum is 52.

The square root of 9999259 is about 3162.1604956106. The cubic root of 9999259 is about 215.4381474181.

The spelling of 9999259 in words is "nine million, nine hundred ninety-nine thousand, two hundred fifty-nine".