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25124 = 2211571

25124 has 12 divisors (see below), whose sum is σ = 48048. Its totient is φ = 11400.

The previous prime is 25121. The next prime is 25127. The reversal of 25124 is 42152.

Adding to 25124 its reverse (42152), we get a palindrome (67276).

It is an interprime number because it is at equal distance from previous prime (25121) and next prime (25127).

It is a junction number, because it is equal to n+sod(n) for n = 25099 and 25108.

It is not an unprimeable number, because it can be changed into a prime (25121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242 + ... + 329.

It is an arithmetic number, because the mean of its divisors is an integer number (4004).

225124 is an apocalyptic number.

It is an amenable number.

25124 is a deficient number, since it is larger than the sum of its proper divisors (22924).

25124 is a wasteful number, since it uses less digits than its factorization.

25124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 584 counting only the distinct ones).

The product of its digits is 80, while the sum is 14.

The square root of 25124 is about 158.5055204086. The cubic root of 25124 is about 29.2884414332.

The spelling of 25124 in words is "twenty-five thousand, one hundred twenty-four".

Divisors: 1 2 4 11 22 44 571 1142 2284 6281 12562 25124