825134 has 4 divisors (see below), whose sum is σ = 1237704. Its totient is φ = 412566.

The previous prime is 825131. The next prime is 825161. The reversal of 825134 is 431528.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×825134² = 1361692235912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825131) 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 as a sum of consecutive naturals, namely, 206282 + ... + 206285.

It is an arithmetic number, because the mean of its divisors is an integer number (309426).

2⁸²⁵¹³⁴ is an apocalyptic number.

825134 is a deficient number, since it is larger than the sum of its proper divisors (412570).

825134 is a wasteful number, since it uses less digits than its factorization.

825134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412569.

The product of its digits is 960, while the sum is 23.

The square root of 825134 is about 908.3688678065. The cubic root of 825134 is about 93.7939503556.

It can be divided in two parts, 825 and 134, that added together give a palindrome (959).

The spelling of 825134 in words is "eight hundred twenty-five thousand, one hundred thirty-four".