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52065325 = 5213160201
BaseRepresentation
bin1100011010011…
…1010000101101
310121222012012101
43012213100231
5101312042300
65055535101
71201355644
oct306472055
9117865171
1052065325
11274314a4
121552a491
13aa2c4b0
146cb435b
154886b6a
hex31a742d

52065325 has 12 divisors (see below), whose sum is σ = 69527668. Its totient is φ = 38448000.

The previous prime is 52065323. The next prime is 52065341. The reversal of 52065325 is 52356025.

52065325 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 6 ways, for example, as 15256836 + 36808489 = 3906^2 + 6067^2 .

It is not a de Polignac number, because 52065325 - 21 = 52065323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52065293 and 52065302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52065323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79776 + ... + 80425.

Almost surely, 252065325 is an apocalyptic number.

It is an amenable number.

52065325 is a deficient number, since it is larger than the sum of its proper divisors (17462343).

52065325 is a wasteful number, since it uses less digits than its factorization.

52065325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160224 (or 160219 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 52065325 is about 7215.6306030727. The cubic root of 52065325 is about 373.4073491819.

The spelling of 52065325 in words is "fifty-two million, sixty-five thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 325 160201 801005 2082613 4005025 10413065 52065325