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425262281 is a prime number
BaseRepresentation
bin11001010110001…
…111110011001001
31002122012120011212
4121112033303021
51332331343111
6110110502505
713352445503
oct3126176311
91078176155
10425262281
111a905a934
12ba504a35
136a147cb2
144069cd73
152750398b
hex1958fcc9

425262281 has 2 divisors, whose sum is σ = 425262282. Its totient is φ = 425262280.

The previous prime is 425262197. The next prime is 425262319. The reversal of 425262281 is 182262524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246772681 + 178489600 = 15709^2 + 13360^2 .

It is a cyclic number.

It is not a de Polignac number, because 425262281 - 226 = 358153417 is a prime.

It is a super-2 number, since 2×4252622812 = 361696015282645922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425262581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212631140 + 212631141.

It is an arithmetic number, because the mean of its divisors is an integer number (212631141).

Almost surely, 2425262281 is an apocalyptic number.

It is an amenable number.

425262281 is a deficient number, since it is larger than the sum of its proper divisors (1).

425262281 is an equidigital number, since it uses as much as digits as its factorization.

425262281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 32.

The square root of 425262281 is about 20621.8883955859. Note that the first 3 decimals coincide. The cubic root of 425262281 is about 752.0019292475.

The spelling of 425262281 in words is "four hundred twenty-five million, two hundred sixty-two thousand, two hundred eighty-one".