25362614161 has 2 divisors, whose sum is σ = 25362614162. Its totient is φ = 25362614160.

The previous prime is 25362614087. The next prime is 25362614201. The reversal of 25362614161 is 16141626352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25362473536 + 140625 = 159256^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 25362614161 - 2⁹ = 25362613649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25362614161.

It is not a weakly prime, because it can be changed into another prime (25362611161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12681307080 + 12681307081.

It is an arithmetic number, because the mean of its divisors is an integer number (12681307081).

Almost surely, 2^25362614161 is an apocalyptic number.

It is an amenable number.

25362614161 is a deficient number, since it is larger than the sum of its proper divisors (1).

25362614161 is an equidigital number, since it uses as much as digits as its factorization.

25362614161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The spelling of 25362614161 in words is "twenty-five billion, three hundred sixty-two million, six hundred fourteen thousand, one hundred sixty-one".