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25363 = 131951

25363 has 4 divisors (see below), whose sum is σ = 27328. Its totient is φ = 23400.

The previous prime is 25357. The next prime is 25367. The reversal of 25363 is 36352.

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

It is not a de Polignac number, because 25363 - 29 = 24851 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 25363.

It is not an unprimeable number, because it can be changed into a prime (25367) 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, 963 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (6832).

225363 is an apocalyptic number.

25363 is a deficient number, since it is larger than the sum of its proper divisors (1965).

25363 is a wasteful number, since it uses less digits than its factorization.

25363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its digits is 540, while the sum is 19.

The square root of 25363 is about 159.2576528773. The cubic root of 25363 is about 29.3810203445.

The spelling of 25363 in words is "twenty-five thousand, three hundred sixty-three".

Divisors: 1 13 1951 25363