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494257 is a prime number
BaseRepresentation
bin1111000101010110001
3221002222211
41320222301
5111304012
614332121
74125661
oct1705261
9832884
10494257
11308385
121ba041
13143c7a
14cc1a1
159b6a7
hex78ab1

494257 has 2 divisors, whose sum is σ = 494258. Its totient is φ = 494256.

The previous prime is 494251. The next prime is 494267. The reversal of 494257 is 752494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440896 + 53361 = 664^2 + 231^2 .

It is a cyclic number.

It is not a de Polignac number, because 494257 - 27 = 494129 is a prime.

It is not a weakly prime, because it can be changed into another prime (494251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247128 + 247129.

It is an arithmetic number, because the mean of its divisors is an integer number (247129).

2494257 is an apocalyptic number.

It is an amenable number.

494257 is a deficient number, since it is larger than the sum of its proper divisors (1).

494257 is an equidigital number, since it uses as much as digits as its factorization.

494257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 494257 is about 703.0341385737. The cubic root of 494257 is about 79.0650001813.

The spelling of 494257 in words is "four hundred ninety-four thousand, two hundred fifty-seven".