25064 has 16 divisors (see below), whose sum is σ = 50820. Its totient is φ = 11520.

The previous prime is 25057. The next prime is 25073. The reversal of 25064 is 46052.

It can be written as a sum of positive squares in 2 ways, for example, as 24964 + 100 = 158^2 + 10^2 .

It is a Smith number, since the sum of its digits (17) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 13.

It is an unprimeable number.

25064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 17 + ... + 224.

2²⁵⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

25064 is an abundant number, since it is smaller than the sum of its proper divisors (25756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25410).

25064 is a wasteful number, since it uses less digits than its factorization.

25064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25064 is about 158.3161394173. The cubic root of 25064 is about 29.2651077383.

The spelling of 25064 in words is "twenty-five thousand, sixty-four".