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85372583 is a prime number
BaseRepresentation
bin1010001011010…
…10111010100111
312221122101011112
411011222322213
5133323410313
612245455235
72054440442
oct505527247
9187571145
1085372583
114421075a
122471151b
13148c192a
14b4a4659
1577658a8
hex516aea7

85372583 has 2 divisors, whose sum is σ = 85372584. Its totient is φ = 85372582.

The previous prime is 85372541. The next prime is 85372621. The reversal of 85372583 is 38527358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85372583 - 26 = 85372519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85372583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85372523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42686291 + 42686292.

It is an arithmetic number, because the mean of its divisors is an integer number (42686292).

Almost surely, 285372583 is an apocalyptic number.

85372583 is a deficient number, since it is larger than the sum of its proper divisors (1).

85372583 is an equidigital number, since it uses as much as digits as its factorization.

85372583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

The square root of 85372583 is about 9239.7285133277. The cubic root of 85372583 is about 440.3244559354.

The spelling of 85372583 in words is "eighty-five million, three hundred seventy-two thousand, five hundred eighty-three".