25106231 has 2 divisors, whose sum is σ = 25106232. Its totient is φ = 25106230.

The previous prime is 25106203. The next prime is 25106251. The reversal of 25106231 is 13260152.

It is an a-pointer prime, because the next prime (25106251) can be obtained adding 25106231 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25106231 - 2⁶ = 25106167 is a prime.

It is a super-2 number, since 2×25106231² = 1260645670050722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25106251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12553115 + 12553116.

It is an arithmetic number, because the mean of its divisors is an integer number (12553116).

Almost surely, 2^25106231 is an apocalyptic number.

25106231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25106231 is an equidigital number, since it uses as much as digits as its factorization.

25106231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 25106231 is about 5010.6118388875. The cubic root of 25106231 is about 292.8153503491.

Adding to 25106231 its reverse (13260152), we get a palindrome (38366383).

The spelling of 25106231 in words is "twenty-five million, one hundred six thousand, two hundred thirty-one".