52109825 has 6 divisors (see below), whose sum is σ = 64616214. Its totient is φ = 41687840.

The previous prime is 52109821. The next prime is 52109843. The reversal of 52109825 is 52890125.

It can be written as a sum of positive squares in 3 ways, for example, as 3904576 + 48205249 = 1976^2 + 6943^2 .

It is not a de Polignac number, because 52109825 - 2² = 52109821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52109791 and 52109800.

It is not an unprimeable number, because it can be changed into a prime (52109821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1042172 + ... + 1042221.

It is an arithmetic number, because the mean of its divisors is an integer number (10769369).

Almost surely, 2^52109825 is an apocalyptic number.

It is an amenable number.

52109825 is a deficient number, since it is larger than the sum of its proper divisors (12506389).

52109825 is a wasteful number, since it uses less digits than its factorization.

52109825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084403 (or 2084398 counting only the distinct ones).

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

The square root of 52109825 is about 7218.7135280464. The cubic root of 52109825 is about 373.5137020840.

The spelling of 52109825 in words is "fifty-two million, one hundred nine thousand, eight hundred twenty-five".