5129825 has 12 divisors (see below), whose sum is σ = 6389100. Its totient is φ = 4085760.

The previous prime is 5129819. The next prime is 5129827. The reversal of 5129825 is 5289215.

It can be written as a sum of positive squares in 6 ways, for example, as 71824 + 5058001 = 268^2 + 2249^2 .

It is not a de Polignac number, because 5129825 - 2⁴ = 5129809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5129791 and 5129800.

It is not an unprimeable number, because it can be changed into a prime (5129827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10997 + ... + 11453.

It is an arithmetic number, because the mean of its divisors is an integer number (532425).

Almost surely, 2^5129825 is an apocalyptic number.

It is an amenable number.

5129825 is a deficient number, since it is larger than the sum of its proper divisors (1259275).

5129825 is a wasteful number, since it uses less digits than its factorization.

5129825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 911 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 5129825 is about 2264.9116980580. The cubic root of 5129825 is about 172.4649512213.

The spelling of 5129825 in words is "five million, one hundred twenty-nine thousand, eight hundred twenty-five".