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25923 = 38641

25923 has 4 divisors (see below), whose sum is σ = 34568. Its totient is φ = 17280.

The previous prime is 25919. The next prime is 25931. The reversal of 25923 is 32952.

25923 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25923 - 22 = 25919 is a prime.

It is a D-number.

It is a Duffinian number.

25923 is a lucky number.

It is a nialpdrome in base 13 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 25923.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25923.

It is not an unprimeable number, because it can be changed into a prime (25903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4318 + ... + 4323.

It is an arithmetic number, because the mean of its divisors is an integer number (8642).

225923 is an apocalyptic number.

25923 is a deficient number, since it is larger than the sum of its proper divisors (8645).

25923 is an equidigital number, since it uses as much as digits as its factorization.

25923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8644.

The product of its digits is 540, while the sum is 21.

The square root of 25923 is about 161.0062110603. The cubic root of 25923 is about 29.5956866128.

It can be divided in two parts, 2592 and 3, that multiplied together give a 5-th power (7776 = 65).

The spelling of 25923 in words is "twenty-five thousand, nine hundred twenty-three".

Divisors: 1 3 8641 25923