25607471 has 2 divisors, whose sum is σ = 25607472. Its totient is φ = 25607470.

The previous prime is 25607453. The next prime is 25607473. The reversal of 25607471 is 17470652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25607471 - 2²² = 21413167 is a prime.

It is a super-3 number, since 3×25607471³ (a number of 23 digits) contains 333 as substring.

Together with 25607473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25607473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12803735 + 12803736.

It is an arithmetic number, because the mean of its divisors is an integer number (12803736).

Almost surely, 2^25607471 is an apocalyptic number.

25607471 is a deficient number, since it is larger than the sum of its proper divisors (1).

25607471 is an equidigital number, since it uses as much as digits as its factorization.

25607471 is an odious number, because the sum of its binary digits is odd.

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

The square root of 25607471 is about 5060.3824954246. The cubic root of 25607471 is about 294.7511873103.

The spelling of 25607471 in words is "twenty-five million, six hundred seven thousand, four hundred seventy-one".