25812041 has 2 divisors, whose sum is σ = 25812042. Its totient is φ = 25812040.

The previous prime is 25812037. The next prime is 25812043. The reversal of 25812041 is 14021852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23863225 + 1948816 = 4885^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 25812041 - 2² = 25812037 is a prime.

It is a super-2 number, since 2×25812041² = 1332522921171362, which contains 22 as substring.

Together with 25812043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25811998 and 25812016.

It is not a weakly prime, because it can be changed into another prime (25812043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12906020 + 12906021.

It is an arithmetic number, because the mean of its divisors is an integer number (12906021).

Almost surely, 2^25812041 is an apocalyptic number.

It is an amenable number.

25812041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25812041 is an equidigital number, since it uses as much as digits as its factorization.

25812041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 25812041 is about 5080.5551861977. Note that the first 3 decimals coincide. The cubic root of 25812041 is about 295.5339978424.

Adding to 25812041 its reverse (14021852), we get a palindrome (39833893).

The spelling of 25812041 in words is "twenty-five million, eight hundred twelve thousand, forty-one".