25172627 has 2 divisors, whose sum is σ = 25172628. Its totient is φ = 25172626.

The previous prime is 25172611. The next prime is 25172659. The reversal of 25172627 is 72627152.

It is an a-pointer prime, because the next prime (25172659) can be obtained adding 25172627 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25172627 - 2⁴ = 25172611 is a prime.

It is a super-2 number, since 2×25172627² = 1267322300162258, which contains 22 as substring.

It is a Chen prime.

It is equal to p_1576067 and since 25172627 and 1576067 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 25172593 and 25172602.

It is not a weakly prime, because it can be changed into another prime (25172677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12586313 + 12586314.

It is an arithmetic number, because the mean of its divisors is an integer number (12586314).

Almost surely, 2^25172627 is an apocalyptic number.

25172627 is a deficient number, since it is larger than the sum of its proper divisors (1).

25172627 is an equidigital number, since it uses as much as digits as its factorization.

25172627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 25172627 is about 5017.2330023630. The cubic root of 25172627 is about 293.0732498662.

Adding to 25172627 its reverse (72627152), we get a palindrome (97799779).

The spelling of 25172627 in words is "twenty-five million, one hundred seventy-two thousand, six hundred twenty-seven".