275623 has 2 divisors, whose sum is σ = 275624. Its totient is φ = 275622.

The previous prime is 275599. The next prime is 275641. The reversal of 275623 is 326572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275623 - 2⁵ = 275591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137811 + 137812.

It is an arithmetic number, because the mean of its divisors is an integer number (137812).

2²⁷⁵⁶²³ is an apocalyptic number.

275623 is a deficient number, since it is larger than the sum of its proper divisors (1).

275623 is an equidigital number, since it uses as much as digits as its factorization.

275623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 25.

The square root of 275623 is about 524.9980952346. The cubic root of 275623 is about 65.0786424859.

It can be divided in two parts, 275 and 623, that added together give a palindrome (898).

The spelling of 275623 in words is "two hundred seventy-five thousand, six hundred twenty-three".