25162141 has 2 divisors, whose sum is σ = 25162142. Its totient is φ = 25162140.

The previous prime is 25162139. The next prime is 25162153. The reversal of 25162141 is 14126152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19545241 + 5616900 = 4421^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 25162141 - 2¹ = 25162139 is a prime.

Together with 25162139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25162171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12581070 + 12581071.

It is an arithmetic number, because the mean of its divisors is an integer number (12581071).

Almost surely, 2^25162141 is an apocalyptic number.

It is an amenable number.

25162141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25162141 is an equidigital number, since it uses as much as digits as its factorization.

25162141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 25162141 is about 5016.1878952049. The cubic root of 25162141 is about 293.0325496654.

Adding to 25162141 its reverse (14126152), we get a palindrome (39288293).

The spelling of 25162141 in words is "twenty-five million, one hundred sixty-two thousand, one hundred forty-one".