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52537825 = 522101513
BaseRepresentation
bin1100100001101…
…0100111100001
310122212012100101
43020122213201
5101422202300
65114022401
71205364334
oct310324741
9118765311
1052537825
112772449a
1215717a01
13ab66592
146d9861b
15492bb6a
hex321a9e1

52537825 has 6 divisors (see below), whose sum is σ = 65146934. Its totient is φ = 42030240.

The previous prime is 52537811. The next prime is 52537829. The reversal of 52537825 is 52873525.

It can be written as a sum of positive squares in 3 ways, for example, as 351649 + 52186176 = 593^2 + 7224^2 .

It is not a de Polignac number, because 52537825 - 221 = 50440673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52537829) 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, 1050732 + ... + 1050781.

Almost surely, 252537825 is an apocalyptic number.

It is an amenable number.

52537825 is a deficient number, since it is larger than the sum of its proper divisors (12609109).

52537825 is a wasteful number, since it uses less digits than its factorization.

52537825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101523 (or 2101518 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 52537825 is about 7248.2980761003. The cubic root of 52537825 is about 374.5335236772.

The spelling of 52537825 in words is "fifty-two million, five hundred thirty-seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 2101513 10507565 52537825