Search a number
2230513 is a prime number
BaseRepresentation
bin1000100000100011110001
311012022200121
420200203301
51032334023
6115450241
724646645
oct10404361
94168617
102230513
1112938aa
128b6981
1360133c
14420c25
152e0d5d
hex2208f1

2230513 has 2 divisors, whose sum is σ = 2230514. Its totient is φ = 2230512.

The previous prime is 2230511. The next prime is 2230531. The reversal of 2230513 is 3150322.

Together with next prime (2230531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 868624 = 1167^2 + 932^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230513 - 21 = 2230511 is a prime.

Together with 2230511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2230511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115256 + 1115257.

It is an arithmetic number, because the mean of its divisors is an integer number (1115257).

22230513 is an apocalyptic number.

It is an amenable number.

2230513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230513 is an equidigital number, since it uses as much as digits as its factorization.

2230513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2230513 is about 1493.4902075340. The cubic root of 2230513 is about 130.6576731223.

Adding to 2230513 its reverse (3150322), we get a palindrome (5380835).

The spelling of 2230513 in words is "two million, two hundred thirty thousand, five hundred thirteen".