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75223 is a prime number
BaseRepresentation
bin10010010111010111
310211012001
4102113113
54401343
61340131
7432211
oct222727
9124161
1075223
1151575
1237647
1328315
141d5b1
151744d
hex125d7

75223 has 2 divisors, whose sum is σ = 75224. Its totient is φ = 75222.

The previous prime is 75217. The next prime is 75227. The reversal of 75223 is 32257.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32257) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75223 is a prime.

75223 is a lucky number.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 75223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37611 + 37612.

It is an arithmetic number, because the mean of its divisors is an integer number (37612).

275223 is an apocalyptic number.

75223 is a deficient number, since it is larger than the sum of its proper divisors (1).

75223 is an equidigital number, since it uses as much as digits as its factorization.

75223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 19.

The square root of 75223 is about 274.2681169950. The cubic root of 75223 is about 42.2133886824.

The spelling of 75223 in words is "seventy-five thousand, two hundred twenty-three".