25755461 has 2 divisors, whose sum is σ = 25755462. Its totient is φ = 25755460.

The previous prime is 25755439. The next prime is 25755479. The reversal of 25755461 is 16455752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18438436 + 7317025 = 4294^2 + 2705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25755461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25755491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12877730 + 12877731.

It is an arithmetic number, because the mean of its divisors is an integer number (12877731).

Almost surely, 2^25755461 is an apocalyptic number.

It is an amenable number.

25755461 is a deficient number, since it is larger than the sum of its proper divisors (1).

25755461 is an equidigital number, since it uses as much as digits as its factorization.

25755461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 35.

The square root of 25755461 is about 5074.9838423388. The cubic root of 25755461 is about 295.3179030076.

The spelling of 25755461 in words is "twenty-five million, seven hundred fifty-five thousand, four hundred sixty-one".