25013166041 has 2 divisors, whose sum is σ = 25013166042. Its totient is φ = 25013166040.

The previous prime is 25013165977. The next prime is 25013166067. The reversal of 25013166041 is 14066131052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17508582400 + 7504583641 = 132320^2 + 86629^2 .

It is a cyclic number.

It is not a de Polignac number, because 25013166041 - 2⁶ = 25013165977 is a prime.

It is a super-2 number, since 2×25013166041² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25013165995 and 25013166013.

It is not a weakly prime, because it can be changed into another prime (25013168041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506583020 + 12506583021.

It is an arithmetic number, because the mean of its divisors is an integer number (12506583021).

Almost surely, 2^25013166041 is an apocalyptic number.

It is an amenable number.

25013166041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25013166041 is an equidigital number, since it uses as much as digits as its factorization.

25013166041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 25013166041 its reverse (14066131052), we get a palindrome (39079297093).

The spelling of 25013166041 in words is "twenty-five billion, thirteen million, one hundred sixty-six thousand, forty-one".