25025141 has 2 divisors, whose sum is σ = 25025142. Its totient is φ = 25025140.

The previous prime is 25025137. The next prime is 25025149. The reversal of 25025141 is 14152052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24542116 + 483025 = 4954^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 25025141 - 2² = 25025137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25025149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512570 + 12512571.

It is an arithmetic number, because the mean of its divisors is an integer number (12512571).

Almost surely, 2^25025141 is an apocalyptic number.

It is an amenable number.

25025141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025141 is an equidigital number, since it uses as much as digits as its factorization.

25025141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 25025141 is about 5002.5134682477. The cubic root of 25025141 is about 292.4997579563.

Adding to 25025141 its reverse (14152052), we get a palindrome (39177193).

The spelling of 25025141 in words is "twenty-five million, twenty-five thousand, one hundred forty-one".