25388141 has 2 divisors, whose sum is σ = 25388142. Its totient is φ = 25388140.

The previous prime is 25388081. The next prime is 25388149. The reversal of 25388141 is 14188352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24700900 + 687241 = 4970^2 + 829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25388141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25388098 and 25388107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25388149) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12694070 + 12694071.

It is an arithmetic number, because the mean of its divisors is an integer number (12694071).

Almost surely, 2^25388141 is an apocalyptic number.

It is an amenable number.

25388141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25388141 is an equidigital number, since it uses as much as digits as its factorization.

25388141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 32.

The square root of 25388141 is about 5038.6646048333. The cubic root of 25388141 is about 293.9072508888.

The spelling of 25388141 in words is "twenty-five million, three hundred eighty-eight thousand, one hundred forty-one".