25109141 has 2 divisors, whose sum is σ = 25109142. Its totient is φ = 25109140.

The previous prime is 25109113. The next prime is 25109143. The reversal of 25109141 is 14190152.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15437041 + 9672100 = 3929^2 + 3110^2 .

It is a cyclic number.

It is not a de Polignac number, because 25109141 - 2¹⁰ = 25108117 is a prime.

Together with 25109143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25109143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12554570 + 12554571.

It is an arithmetic number, because the mean of its divisors is an integer number (12554571).

Almost surely, 2^25109141 is an apocalyptic number.

It is an amenable number.

25109141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25109141 is an equidigital number, since it uses as much as digits as its factorization.

25109141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 25109141 is about 5010.9022141726. The cubic root of 25109141 is about 292.8266630753.

Adding to 25109141 its reverse (14190152), we get a palindrome (39299293).

The spelling of 25109141 in words is "twenty-five million, one hundred nine thousand, one hundred forty-one".