254623 has 2 divisors, whose sum is σ = 254624.
Its totient is φ = 254622.
The previous prime is 254593. The next prime is 254627. The reversal of 254623 is 326452.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 254623 - 217 = 123551 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 254594 and 254603.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (254627) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127311 + 127312.
It is an arithmetic number, because the mean of its divisors is an integer number (127312).
2254623 is an apocalyptic number.
254623 is a deficient number, since it is larger than the sum of its proper divisors (1).
254623 is an equidigital number, since it uses as much as digits as its factorization.
254623 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1440, while the sum is 22.
The square root of 254623 is about 504.6018232230.
The cubic root of 254623 is about 63.3819909243.
The spelling of 254623 in words is "two hundred fifty-four thousand, six hundred twenty-three".