25784041 has 2 divisors, whose sum is σ = 25784042. Its totient is φ = 25784040.

The previous prime is 25784021. The next prime is 25784051. The reversal of 25784041 is 14048752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20475625 + 5308416 = 4525^2 + 2304^2 .

It is a cyclic number.

It is not a de Polignac number, because 25784041 - 2⁷ = 25783913 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25783994 and 25784012.

It is not a weakly prime, because it can be changed into another prime (25784021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12892020 + 12892021.

It is an arithmetic number, because the mean of its divisors is an integer number (12892021).

Almost surely, 2^25784041 is an apocalyptic number.

It is an amenable number.

25784041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25784041 is an equidigital number, since it uses as much as digits as its factorization.

25784041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 25784041 is about 5077.7988341406. The cubic root of 25784041 is about 295.4270975283.

The spelling of 25784041 in words is "twenty-five million, seven hundred eighty-four thousand, forty-one".