25725377 has 2 divisors, whose sum is σ = 25725378. Its totient is φ = 25725376.

The previous prime is 25725341. The next prime is 25725379. The reversal of 25725377 is 77352752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18671041 + 7054336 = 4321^2 + 2656^2 .

It is a cyclic number.

It is not a de Polignac number, because 25725377 - 2¹² = 25721281 is a prime.

Together with 25725379, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25725377.

It is not a weakly prime, because it can be changed into another prime (25725379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12862688 + 12862689.

It is an arithmetic number, because the mean of its divisors is an integer number (12862689).

Almost surely, 2^25725377 is an apocalyptic number.

It is an amenable number.

25725377 is a deficient number, since it is larger than the sum of its proper divisors (1).

25725377 is an equidigital number, since it uses as much as digits as its factorization.

25725377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102900, while the sum is 38.

The square root of 25725377 is about 5072.0190259896. The cubic root of 25725377 is about 295.2028749080.

The spelling of 25725377 in words is "twenty-five million, seven hundred twenty-five thousand, three hundred seventy-seven".