25216127 has 2 divisors, whose sum is σ = 25216128. Its totient is φ = 25216126.

The previous prime is 25216091. The next prime is 25216159. The reversal of 25216127 is 72161252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25216127 - 2⁸ = 25215871 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25216096 and 25216105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25216727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12608063 + 12608064.

It is an arithmetic number, because the mean of its divisors is an integer number (12608064).

Almost surely, 2^25216127 is an apocalyptic number.

25216127 is a deficient number, since it is larger than the sum of its proper divisors (1).

25216127 is an equidigital number, since it uses as much as digits as its factorization.

25216127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 25216127 is about 5021.5661899451. The cubic root of 25216127 is about 293.2419695087.

Adding to 25216127 its reverse (72161252), we get a palindrome (97377379).

The spelling of 25216127 in words is "twenty-five million, two hundred sixteen thousand, one hundred twenty-seven".