9825013 has 4 divisors (see below), whose sum is σ = 10718208. Its totient is φ = 8931820.

The previous prime is 9825007. The next prime is 9825019. The reversal of 9825013 is 3105289.

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: 3105289 = 11 ⋅282299.

It is an interprime number because it is at equal distance from previous prime (9825007) and next prime (9825019).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9825013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9825019) 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, 446581 + ... + 446602.

It is an arithmetic number, because the mean of its divisors is an integer number (2679552).

Almost surely, 2^9825013 is an apocalyptic number.

It is an amenable number.

9825013 is a deficient number, since it is larger than the sum of its proper divisors (893195).

9825013 is a wasteful number, since it uses less digits than its factorization.

9825013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893194.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 9825013 is about 3134.4876774363. The cubic root of 9825013 is about 214.1794067191.

It can be divided in two parts, 982 and 5013, that added together give a palindrome (5995).

The spelling of 9825013 in words is "nine million, eight hundred twenty-five thousand, thirteen".