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505061 is a prime number
BaseRepresentation
bin1111011010011100101
3221122210222
41323103211
5112130221
614454125
74202324
oct1732345
9848728
10505061
11315507
12204345
13148b6b
14d20bb
159e9ab
hex7b4e5

505061 has 2 divisors, whose sum is σ = 505062. Its totient is φ = 505060.

The previous prime is 505051. The next prime is 505067. The reversal of 505061 is 160505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 961 = 710^2 + 31^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-505061 is a prime.

It is a super-2 number, since 2×5050612 = 510173227442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252530 + 252531.

It is an arithmetic number, because the mean of its divisors is an integer number (252531).

2505061 is an apocalyptic number.

It is an amenable number.

505061 is a deficient number, since it is larger than the sum of its proper divisors (1).

505061 is an equidigital number, since it uses as much as digits as its factorization.

505061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 505061 is about 710.6764383318. The cubic root of 505061 is about 79.6369486639.

Adding to 505061 its reverse (160505), we get a palindrome (665566).

The spelling of 505061 in words is "five hundred five thousand, sixty-one".