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83025013 is a prime number
BaseRepresentation
bin1001111001011…
…01110001110101
312210020002220111
410330231301311
5132223300023
612123303021
72025462301
oct474556165
9183202814
1083025013
1142957a15
122397aa71
131427c236
14b052d01
15745000d
hex4f2dc75

83025013 has 2 divisors, whose sum is σ = 83025014. Its totient is φ = 83025012.

The previous prime is 83024969. The next prime is 83025031. The reversal of 83025013 is 31052038.

Together with next prime (83025031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80407089 + 2617924 = 8967^2 + 1618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83025013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83025043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41512506 + 41512507.

It is an arithmetic number, because the mean of its divisors is an integer number (41512507).

Almost surely, 283025013 is an apocalyptic number.

It is an amenable number.

83025013 is a deficient number, since it is larger than the sum of its proper divisors (1).

83025013 is an equidigital number, since it uses as much as digits as its factorization.

83025013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 83025013 is about 9111.8062424527. The cubic root of 83025013 is about 436.2508814086.

The spelling of 83025013 in words is "eighty-three million, twenty-five thousand, thirteen".