25378 has 4 divisors (see below), whose sum is σ = 38070. Its totient is φ = 12688.

The previous prime is 25373. The next prime is 25391. The reversal of 25378 is 87352.

25378 is nontrivially palindromic in base 11.

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

It can be written as a sum of positive squares in only one way, i.e., 24649 + 729 = 157^2 + 27^2 .

It is a plaindrome in base 15.

It is a nialpdrome in base 13 and base 16.

It is not an unprimeable number, because it can be changed into a prime (25373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6343 + ... + 6346.

2²⁵³⁷⁸ is an apocalyptic number.

25378 is a deficient number, since it is larger than the sum of its proper divisors (12692).

25378 is a wasteful number, since it uses less digits than its factorization.

25378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691.

The product of its digits is 1680, while the sum is 25.

The square root of 25378 is about 159.3047394147. The cubic root of 25378 is about 29.3868113057.

The spelling of 25378 in words is "twenty-five thousand, three hundred seventy-eight".