25465075541 has 2 divisors, whose sum is σ = 25465075542. Its totient is φ = 25465075540.

The previous prime is 25465075513. The next prime is 25465075613. The reversal of 25465075541 is 14557056452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25464180625 + 894916 = 159575^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 25465075541 - 2⁶ = 25465075477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25465075492 and 25465075501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25465075501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12732537770 + 12732537771.

It is an arithmetic number, because the mean of its divisors is an integer number (12732537771).

Almost surely, 2^25465075541 is an apocalyptic number.

It is an amenable number.

25465075541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25465075541 is an equidigital number, since it uses as much as digits as its factorization.

25465075541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 25465075541 in words is "twenty-five billion, four hundred sixty-five million, seventy-five thousand, five hundred forty-one".