Search a number
-
+
500881 is a prime number
BaseRepresentation
bin1111010010010010001
3221110002011
41322102101
5112012011
614422521
74154203
oct1722221
9843064
10500881
11312357
12201a41
13146ca4
14d0773
159d621
hex7a491

500881 has 2 divisors, whose sum is σ = 500882. Its totient is φ = 500880.

The previous prime is 500873. The next prime is 500887. The reversal of 500881 is 188005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 410881 + 90000 = 641^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 500881 - 23 = 500873 is a prime.

It is a super-2 number, since 2×5008812 = 501763552322, which contains 22 as substring.

500881 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (500887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250440 + 250441.

It is an arithmetic number, because the mean of its divisors is an integer number (250441).

2500881 is an apocalyptic number.

It is an amenable number.

500881 is a deficient number, since it is larger than the sum of its proper divisors (1).

500881 is an equidigital number, since it uses as much as digits as its factorization.

500881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 500881 is about 707.7294680879. The cubic root of 500881 is about 79.4166419232.

Adding to 500881 its reverse (188005), we get a palindrome (688886).

The spelling of 500881 in words is "five hundred thousand, eight hundred eighty-one".