25325140417 has 2 divisors, whose sum is σ = 25325140418. Its totient is φ = 25325140416.

The previous prime is 25325140409. The next prime is 25325140427. The reversal of 25325140417 is 71404152352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12797039376 + 12528101041 = 113124^2 + 111929^2 .

It is a cyclic number.

It is not a de Polignac number, because 25325140417 - 2³ = 25325140409 is a prime.

It is not a weakly prime, because it can be changed into another prime (25325140427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12662570208 + 12662570209.

It is an arithmetic number, because the mean of its divisors is an integer number (12662570209).

Almost surely, 2^25325140417 is an apocalyptic number.

It is an amenable number.

25325140417 is a deficient number, since it is larger than the sum of its proper divisors (1).

25325140417 is an equidigital number, since it uses as much as digits as its factorization.

25325140417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 25325140417 its reverse (71404152352), we get a palindrome (96729292769).

The spelling of 25325140417 in words is "twenty-five billion, three hundred twenty-five million, one hundred forty thousand, four hundred seventeen".