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223325 = 528933
BaseRepresentation
bin110110100001011101
3102100100022
4312201131
524121300
64441525
71620044
oct664135
9370308
10223325
11142873
12a92a5
137a85b
145b55b
1546285
hex3685d

223325 has 6 divisors (see below), whose sum is σ = 276954. Its totient is φ = 178640.

The previous prime is 223319. The next prime is 223331. The reversal of 223325 is 523322.

It is an interprime number because it is at equal distance from previous prime (223319) and next prime (223331).

It can be written as a sum of positive squares in 3 ways, for example, as 3364 + 219961 = 58^2 + 469^2 .

It is a de Polignac number, because none of the positive numbers 2k-223325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 223325.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4442 + ... + 4491.

It is an arithmetic number, because the mean of its divisors is an integer number (46159).

2223325 is an apocalyptic number.

223325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223325 is a deficient number, since it is larger than the sum of its proper divisors (53629).

223325 is an equidigital number, since it uses as much as digits as its factorization.

223325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943 (or 8938 counting only the distinct ones).

The product of its digits is 360, while the sum is 17.

The square root of 223325 is about 472.5727457228. The cubic root of 223325 is about 60.6707151560.

Adding to 223325 its reverse (523322), we get a palindrome (746647).

The spelling of 223325 in words is "two hundred twenty-three thousand, three hundred twenty-five".

Divisors: 1 5 25 8933 44665 223325