25054554413513 has 2 divisors, whose sum is σ = 25054554413514. Its totient is φ = 25054554413512.

The previous prime is 25054554413507. The next prime is 25054554413543. The reversal of 25054554413513 is 31531445545052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24496481169664 + 558073243849 = 4949392^2 + 747043^2 .

It is a cyclic number.

It is not a de Polignac number, because 25054554413513 - 2³⁰ = 25053480671689 is a prime.

It is not a weakly prime, because it can be changed into another prime (25054554413543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527277206756 + 12527277206757.

It is an arithmetic number, because the mean of its divisors is an integer number (12527277206757).

Almost surely, 2^{25054554413513} is an apocalyptic number.

It is an amenable number.

25054554413513 is a deficient number, since it is larger than the sum of its proper divisors (1).

25054554413513 is an equidigital number, since it uses as much as digits as its factorization.

25054554413513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600000, while the sum is 47.

Adding to 25054554413513 its reverse (31531445545052), we get a palindrome (56585999958565).

The spelling of 25054554413513 in words is "twenty-five trillion, fifty-four billion, five hundred fifty-four million, four hundred thirteen thousand, five hundred thirteen".