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495557 is a prime number
BaseRepresentation
bin1111000111111000101
3221011202222
41320333011
5111324212
614342125
74132526
oct1707705
9834688
10495557
11309357
121ba945
1314473a
14cc84d
159bc72
hex78fc5

495557 has 2 divisors, whose sum is σ = 495558. Its totient is φ = 495556.

The previous prime is 495527. The next prime is 495559. The reversal of 495557 is 755594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264196 + 231361 = 514^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 495557 - 28 = 495301 is a prime.

Together with 495559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247778 + 247779.

It is an arithmetic number, because the mean of its divisors is an integer number (247779).

2495557 is an apocalyptic number.

It is an amenable number.

495557 is a deficient number, since it is larger than the sum of its proper divisors (1).

495557 is an equidigital number, since it uses as much as digits as its factorization.

495557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 35.

The square root of 495557 is about 703.9580953437. The cubic root of 495557 is about 79.1342586958.

The spelling of 495557 in words is "four hundred ninety-five thousand, five hundred fifty-seven".