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52375325 = 522418693
BaseRepresentation
bin1100011111001…
…0111100011101
310122112221102212
43013302330131
5101402002300
65110330205
71204116512
oct307627435
9118487385
1052375325
11276233a2
1215659965
13ab0a622
146d55309
1548e8935
hex31f2f1d

52375325 has 12 divisors (see below), whose sum is σ = 65222388. Its totient is φ = 41721600.

The previous prime is 52375321. The next prime is 52375331. The reversal of 52375325 is 52357325.

It can be written as a sum of positive squares in 6 ways, for example, as 4239481 + 48135844 = 2059^2 + 6938^2 .

It is not a de Polignac number, because 52375325 - 22 = 52375321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52375291 and 52375300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52375321) 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, 1679 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (5435199).

Almost surely, 252375325 is an apocalyptic number.

It is an amenable number.

52375325 is a deficient number, since it is larger than the sum of its proper divisors (12847063).

52375325 is a wasteful number, since it uses less digits than its factorization.

52375325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8944 (or 8939 counting only the distinct ones).

The product of its digits is 31500, while the sum is 32.

The square root of 52375325 is about 7237.0798669076. The cubic root of 52375325 is about 374.1469796064.

The spelling of 52375325 in words is "fifty-two million, three hundred seventy-five thousand, three hundred twenty-five".

Divisors: 1 5 25 241 1205 6025 8693 43465 217325 2095013 10475065 52375325