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532531 is a prime number
BaseRepresentation
bin10000010000000110011
31000001111101
42002000303
5114020111
615225231
74345366
oct2020063
91001441
10532531
1133410a
12218217
1315850c
14dc0dd
15a7bc1
hex82033

532531 has 2 divisors, whose sum is σ = 532532. Its totient is φ = 532530.

The previous prime is 532529. The next prime is 532537. The reversal of 532531 is 135235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 532531 - 21 = 532529 is a prime.

It is a super-2 number, since 2×5325312 = 567178531922, which contains 22 as substring.

Together with 532529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 532499 and 532508.

It is not a weakly prime, because it can be changed into another prime (532537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266265 + 266266.

It is an arithmetic number, because the mean of its divisors is an integer number (266266).

2532531 is an apocalyptic number.

532531 is a deficient number, since it is larger than the sum of its proper divisors (1).

532531 is an equidigital number, since it uses as much as digits as its factorization.

532531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 19.

The square root of 532531 is about 729.7472165072. The cubic root of 532531 is about 81.0553399198.

Adding to 532531 its reverse (135235), we get a palindrome (667766).

It can be divided in two parts, 5325 and 31, that added together give a triangular number (5356 = T103).

The spelling of 532531 in words is "five hundred thirty-two thousand, five hundred thirty-one".