25105127 has 2 divisors, whose sum is σ = 25105128. Its totient is φ = 25105126.

The previous prime is 25105123. The next prime is 25105139. The reversal of 25105127 is 72150152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25105127 - 2² = 25105123 is a prime.

It is a super-2 number, since 2×25105127² = 1260534803372258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25105123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12552563 + 12552564.

It is an arithmetic number, because the mean of its divisors is an integer number (12552564).

Almost surely, 2^25105127 is an apocalyptic number.

25105127 is a deficient number, since it is larger than the sum of its proper divisors (1).

25105127 is an equidigital number, since it uses as much as digits as its factorization.

25105127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 25105127 is about 5010.5016714896. The cubic root of 25105127 is about 292.8110582820.

Adding to 25105127 its reverse (72150152), we get a palindrome (97255279).

The spelling of 25105127 in words is "twenty-five million, one hundred five thousand, one hundred twenty-seven".