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BaseRepresentation
bin111011101000001
31112212201
413131001
51434104
6353201
7155002
oct73501
945781
1030529
1120a34
1215801
1310b85
14b1a9
1590a4
hex7741

30529 has 2 divisors, whose sum is σ = 30530. Its totient is φ = 30528.

The previous prime is 30517. The next prime is 30539. The reversal of 30529 is 92503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16129 + 14400 = 127^2 + 120^2 .

It is an emirp because it is prime and its reverse (92503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30529 - 25 = 30497 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

30529 is a lucky number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15264 + 15265.

It is an arithmetic number, because the mean of its divisors is an integer number (15265).

230529 is an apocalyptic number.

It is an amenable number.

30529 is a deficient number, since it is larger than the sum of its proper divisors (1).

30529 is an equidigital number, since it uses as much as digits as its factorization.

30529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 30529 is about 174.7254989977. The cubic root of 30529 is about 31.2538981804.

The spelling of 30529 in words is "thirty thousand, five hundred twenty-nine".