25280250526469 has 2 divisors, whose sum is σ = 25280250526470. Its totient is φ = 25280250526468.

The previous prime is 25280250526441. The next prime is 25280250526501. The reversal of 25280250526469 is 96462505208252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13375770144100 + 11904480382369 = 3657290^2 + 3450287^2 .

It is a cyclic number.

It is not a de Polignac number, because 25280250526469 - 2⁴⁴ = 7688064482053 is a prime.

It is a super-2 number, since 2×25280250526469² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25280250523469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640125263234 + 12640125263235.

It is an arithmetic number, because the mean of its divisors is an integer number (12640125263235).

Almost surely, 2^{25280250526469} is an apocalyptic number.

It is an amenable number.

25280250526469 is a deficient number, since it is larger than the sum of its proper divisors (1).

25280250526469 is an equidigital number, since it uses as much as digits as its factorization.

25280250526469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 56.

The spelling of 25280250526469 in words is "twenty-five trillion, two hundred eighty billion, two hundred fifty million, five hundred twenty-six thousand, four hundred sixty-nine".