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527381 is a prime number
BaseRepresentation
bin10000000110000010101
3222210102122
42000300111
5113334011
615145325
74324361
oct2006025
9883378
10527381
11330258
12215245
1315607a
14da2a1
15a63db
hex80c15

527381 has 2 divisors, whose sum is σ = 527382. Its totient is φ = 527380.

The previous prime is 527377. The next prime is 527393. The reversal of 527381 is 183725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320356 + 207025 = 566^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 527381 - 22 = 527377 is a prime.

It is a super-2 number, since 2×5273812 = 556261438322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 527381.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 527381.

It is not a weakly prime, because it can be changed into another prime (527081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263690 + 263691.

It is an arithmetic number, because the mean of its divisors is an integer number (263691).

2527381 is an apocalyptic number.

It is an amenable number.

527381 is a deficient number, since it is larger than the sum of its proper divisors (1).

527381 is an equidigital number, since it uses as much as digits as its factorization.

527381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 527381 is about 726.2100247174. The cubic root of 527381 is about 80.7932031174.

The spelling of 527381 in words is "five hundred twenty-seven thousand, three hundred eighty-one".