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254593 is a prime number
BaseRepresentation
bin111110001010000001
3110221020101
4332022001
531121333
65242401
72110153
oct761201
9427211
10254593
11164309
12103401
138bb61
1468ad3
155067d
hex3e281

254593 has 2 divisors, whose sum is σ = 254594. Its totient is φ = 254592.

The previous prime is 254557. The next prime is 254623. The reversal of 254593 is 395452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237169 + 17424 = 487^2 + 132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-254593 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (254993) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127296 + 127297.

It is an arithmetic number, because the mean of its divisors is an integer number (127297).

2254593 is an apocalyptic number.

It is an amenable number.

254593 is a deficient number, since it is larger than the sum of its proper divisors (1).

254593 is an equidigital number, since it uses as much as digits as its factorization.

254593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 254593 is about 504.5720959387. The cubic root of 254593 is about 63.3795015781.

The spelling of 254593 in words is "two hundred fifty-four thousand, five hundred ninety-three".