25225471 has 2 divisors, whose sum is σ = 25225472. Its totient is φ = 25225470.

The previous prime is 25225469. The next prime is 25225481. The reversal of 25225471 is 17452252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25225471 - 2¹ = 25225469 is a prime.

It is a super-3 number, since 3×25225471³ (a number of 23 digits) contains 333 as substring.

Together with 25225469, it forms a pair of twin primes.

It is equal to p_1579114 and since 25225471 and 1579114 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25225441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12612735 + 12612736.

It is an arithmetic number, because the mean of its divisors is an integer number (12612736).

Almost surely, 2^25225471 is an apocalyptic number.

25225471 is a deficient number, since it is larger than the sum of its proper divisors (1).

25225471 is an equidigital number, since it uses as much as digits as its factorization.

25225471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 28.

The square root of 25225471 is about 5022.4964907902. The cubic root of 25225471 is about 293.2781859425.

The spelling of 25225471 in words is "twenty-five million, two hundred twenty-five thousand, four hundred seventy-one".