825130 has 16 divisors (see below), whose sum is σ = 1500840. Its totient is φ = 326592.

The previous prime is 825109. The next prime is 825131. The reversal of 825130 is 31528.

825130 = T₅₇₂ + T₅₇₃ + ... + T₅₇₆.

It is a happy number.

825130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 751689 + 73441 = 867^2 + 271^2 .

It is a super-3 number, since 3×825130³ = 1685343331739091000, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 825098 and 825107.

It is not an unprimeable number, because it can be changed into a prime (825131) by changing a digit.

825130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712 + ... + 1468.

2⁸²⁵¹³⁰ is an apocalyptic number.

825130 is a deficient number, since it is larger than the sum of its proper divisors (675710).

825130 is a wasteful number, since it uses less digits than its factorization.

825130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 825130 is about 908.3666660551. The cubic root of 825130 is about 93.7937987938.

Adding to 825130 its reverse (31528), we get a palindrome (856658).

It can be divided in two parts, 8251 and 30, that added together give a square (8281 = 91²).

The spelling of 825130 in words is "eight hundred twenty-five thousand, one hundred thirty".