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70529 is a prime number
BaseRepresentation
bin10001001110000001
310120202012
4101032001
54224104
61302305
7412424
oct211601
9116665
1070529
1148a98
1234995
1326144
141b9bb
1515d6e
hex11381

70529 has 2 divisors, whose sum is σ = 70530. Its totient is φ = 70528.

The previous prime is 70507. The next prime is 70537. The reversal of 70529 is 92507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61504 + 9025 = 248^2 + 95^2 .

It is an emirp because it is prime and its reverse (92507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70529 - 216 = 4993 is a prime.

It is a Chen prime.

It is an Ulam number.

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

It is not a weakly prime, because it can be changed into another prime (70549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35264 + 35265.

It is an arithmetic number, because the mean of its divisors is an integer number (35265).

270529 is an apocalyptic number.

It is an amenable number.

70529 is a deficient number, since it is larger than the sum of its proper divisors (1).

70529 is an equidigital number, since it uses as much as digits as its factorization.

70529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 70529 is about 265.5729654916. The cubic root of 70529 is about 41.3164097095.

The spelling of 70529 in words is "seventy thousand, five hundred twenty-nine".