25280250526501 has 2 divisors, whose sum is σ = 25280250526502. Its totient is φ = 25280250526500.

The previous prime is 25280250526469. The next prime is 25280250526567. The reversal of 25280250526501 is 10562505208252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23546038085476 + 1734212441025 = 4852426^2 + 1316895^2 .

It is a cyclic number.

It is not a de Polignac number, because 25280250526501 - 2⁵ = 25280250526469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25280250521501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640125263250 + 12640125263251.

It is an arithmetic number, because the mean of its divisors is an integer number (12640125263251).

Almost surely, 2^{25280250526501} is an apocalyptic number.

It is an amenable number.

25280250526501 is a deficient number, since it is larger than the sum of its proper divisors (1).

25280250526501 is an equidigital number, since it uses as much as digits as its factorization.

25280250526501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 25280250526501 in words is "twenty-five trillion, two hundred eighty billion, two hundred fifty million, five hundred twenty-six thousand, five hundred one".