25057471 has 2 divisors, whose sum is σ = 25057472. Its totient is φ = 25057470.

The previous prime is 25057429. The next prime is 25057553. The reversal of 25057471 is 17475052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25057471 - 2¹¹ = 25055423 is a prime.

It is a super-3 number, since 3×25057471³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25057171) 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, 12528735 + 12528736.

It is an arithmetic number, because the mean of its divisors is an integer number (12528736).

Almost surely, 2^25057471 is an apocalyptic number.

25057471 is a deficient number, since it is larger than the sum of its proper divisors (1).

25057471 is an equidigital number, since it uses as much as digits as its factorization.

25057471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 25057471 is about 5005.7438008752. The cubic root of 25057471 is about 292.6256639775.

The spelling of 25057471 in words is "twenty-five million, fifty-seven thousand, four hundred seventy-one".