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537025 = 5221481
BaseRepresentation
bin10000011000111000001
31000021122211
42003013001
5114141100
615302121
74364446
oct2030701
91007584
10537025
11337525
1221a941
1315a588
14dd9cd
15a91ba
hex831c1

537025 has 6 divisors (see below), whose sum is σ = 665942. Its totient is φ = 429600.

The previous prime is 537023. The next prime is 537029. The reversal of 537025 is 520735.

It can be written as a sum of positive squares in 3 ways, for example, as 69169 + 467856 = 263^2 + 684^2 .

It is not a de Polignac number, because 537025 - 21 = 537023 is a prime.

It is a Duffinian number.

537025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 536987 and 537005.

It is not an unprimeable number, because it can be changed into a prime (537023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10716 + ... + 10765.

2537025 is an apocalyptic number.

It is an amenable number.

537025 is a deficient number, since it is larger than the sum of its proper divisors (128917).

537025 is a wasteful number, since it uses less digits than its factorization.

537025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21491 (or 21486 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 537025 is about 732.8198960181. The cubic root of 537025 is about 81.2827087242.

Subtracting from 537025 its reverse (520735), we obtain a triangular number (16290 = T180).

The spelling of 537025 in words is "five hundred thirty-seven thousand, twenty-five".

Divisors: 1 5 25 21481 107405 537025