825113 has 4 divisors (see below), whose sum is σ = 868560. Its totient is φ = 781668.

The previous prime is 825109. The next prime is 825131. The reversal of 825113 is 311528.

825113 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 825113 - 2² = 825109 is a prime.

It is a super-2 number, since 2×825113² = 1361622925538, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825193) 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, 21695 + ... + 21732.

It is an arithmetic number, because the mean of its divisors is an integer number (217140).

2⁸²⁵¹¹³ is an apocalyptic number.

It is an amenable number.

825113 is a deficient number, since it is larger than the sum of its proper divisors (43447).

825113 is a wasteful number, since it uses less digits than its factorization.

825113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43446.

The product of its digits is 240, while the sum is 20.

The square root of 825113 is about 908.3573085521. The cubic root of 825113 is about 93.7931546507.

The spelling of 825113 in words is "eight hundred twenty-five thousand, one hundred thirteen".