25730127 has 6 divisors (see below), whose sum is σ = 37165752. Its totient is φ = 17153412.

The previous prime is 25730099. The next prime is 25730137. The reversal of 25730127 is 72103752.

It is not a de Polignac number, because 25730127 - 2⁷ = 25729999 is a prime.

It is a super-2 number, since 2×25730127² = 1324078870872258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25730127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25730137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1429443 + ... + 1429460.

It is an arithmetic number, because the mean of its divisors is an integer number (6194292).

Almost surely, 2^25730127 is an apocalyptic number.

25730127 is a deficient number, since it is larger than the sum of its proper divisors (11435625).

25730127 is a wasteful number, since it uses less digits than its factorization.

25730127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858909 (or 2858906 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 25730127 is about 5072.4872597179. The cubic root of 25730127 is about 295.2210427968.

Adding to 25730127 its reverse (72103752), we get a palindrome (97833879).

The spelling of 25730127 in words is "twenty-five million, seven hundred thirty thousand, one hundred twenty-seven".