25411457 has 2 divisors, whose sum is σ = 25411458. Its totient is φ = 25411456.

The previous prime is 25411427. The next prime is 25411459. The reversal of 25411457 is 75411452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19280881 + 6130576 = 4391^2 + 2476^2 .

It is a cyclic number.

It is not a de Polignac number, because 25411457 - 2¹⁰ = 25410433 is a prime.

Together with 25411459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25411459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12705728 + 12705729.

It is an arithmetic number, because the mean of its divisors is an integer number (12705729).

Almost surely, 2^25411457 is an apocalyptic number.

It is an amenable number.

25411457 is a deficient number, since it is larger than the sum of its proper divisors (1).

25411457 is an equidigital number, since it uses as much as digits as its factorization.

25411457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 29.

The square root of 25411457 is about 5040.9777821371. The cubic root of 25411457 is about 293.9971963575.

It can be divided in two parts, 254 and 11457, that multiplied together give a triangular number (2910078 = T₂₄₁₂).

The spelling of 25411457 in words is "twenty-five million, four hundred eleven thousand, four hundred fifty-seven".