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524261 is a prime number
BaseRepresentation
bin1111111111111100101
3222122011002
41333333211
5113234021
615123045
74312313
oct1777745
9878132
10524261
11328981
12213485
1315481a
14d90b3
15a550b
hex7ffe5

524261 has 2 divisors, whose sum is σ = 524262. Its totient is φ = 524260.

The previous prime is 524257. The next prime is 524269. The reversal of 524261 is 162425.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 101761 = 650^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 524261 - 22 = 524257 is a prime.

It is a super-2 number, since 2×5242612 = 549699192242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (524269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262130 + 262131.

It is an arithmetic number, because the mean of its divisors is an integer number (262131).

2524261 is an apocalyptic number.

It is an amenable number.

524261 is a deficient number, since it is larger than the sum of its proper divisors (1).

524261 is an equidigital number, since it uses as much as digits as its factorization.

524261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 20.

The square root of 524261 is about 724.0586992779. The cubic root of 524261 is about 80.6335629789.

Adding to 524261 its reverse (162425), we get a palindrome (686686).

The spelling of 524261 in words is "five hundred twenty-four thousand, two hundred sixty-one".