25114505417 has 2 divisors, whose sum is σ = 25114505418. Its totient is φ = 25114505416.

The previous prime is 25114505411. The next prime is 25114505477. The reversal of 25114505417 is 71450541152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16199180176 + 8915325241 = 127276^2 + 94421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25114505417 is a prime.

It is not a weakly prime, because it can be changed into another prime (25114505411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12557252708 + 12557252709.

It is an arithmetic number, because the mean of its divisors is an integer number (12557252709).

Almost surely, 2^25114505417 is an apocalyptic number.

It is an amenable number.

25114505417 is a deficient number, since it is larger than the sum of its proper divisors (1).

25114505417 is an equidigital number, since it uses as much as digits as its factorization.

25114505417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 25114505417 in words is "twenty-five billion, one hundred fourteen million, five hundred five thousand, four hundred seventeen".