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85225453 is a prime number
BaseRepresentation
bin1010001010001…
…10111111101101
312221100220100021
411011012333231
5133304203303
612242402141
72053255465
oct505067755
9187326307
1085225453
1144120165
1224660351
131486c981
14b466ba5
157736ebd
hex5146fed

85225453 has 2 divisors, whose sum is σ = 85225454. Its totient is φ = 85225452.

The previous prime is 85225447. The next prime is 85225463. The reversal of 85225453 is 35452258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71961289 + 13264164 = 8483^2 + 3642^2 .

It is a cyclic number.

It is not a de Polignac number, because 85225453 - 221 = 83128301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85225463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42612726 + 42612727.

It is an arithmetic number, because the mean of its divisors is an integer number (42612727).

Almost surely, 285225453 is an apocalyptic number.

It is an amenable number.

85225453 is a deficient number, since it is larger than the sum of its proper divisors (1).

85225453 is an equidigital number, since it uses as much as digits as its factorization.

85225453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 34.

The square root of 85225453 is about 9231.7632660289. The cubic root of 85225453 is about 440.0713606710.

The spelling of 85225453 in words is "eighty-five million, two hundred twenty-five thousand, four hundred fifty-three".