25061 has 4 divisors (see below), whose sum is σ = 26400.
Its totient is φ = 23724.
The previous prime is 25057. The next prime is 25073. The reversal of 25061 is 16052.
Subtracting from 25061 its reverse (16052), we obtain a palindrome (9009).
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 25061 - 22 = 25057 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25061.
It is not an unprimeable number, because it can be changed into a prime (25031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641 + ... + 678.
It is an arithmetic number, because the mean of its divisors is an integer number (6600).
225061 is an apocalyptic number.
It is an amenable number.
25061 is a deficient number, since it is larger than the sum of its proper divisors (1339).
25061 is a wasteful number, since it uses less digits than its factorization.
25061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1338.
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 25061 is about 158.3066644207.
The cubic root of 25061 is about 29.2639400765.
The spelling of 25061 in words is "twenty-five thousand, sixty-one".