25218330341 has 2 divisors, whose sum is σ = 25218330342. Its totient is φ = 25218330340.

The previous prime is 25218330331. The next prime is 25218330367. The reversal of 25218330341 is 14303381252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12962733316 + 12255597025 = 113854^2 + 110705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25218330341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25218330298 and 25218330307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25218330301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12609165170 + 12609165171.

It is an arithmetic number, because the mean of its divisors is an integer number (12609165171).

Almost surely, 2^25218330341 is an apocalyptic number.

It is an amenable number.

25218330341 is a deficient number, since it is larger than the sum of its proper divisors (1).

25218330341 is an equidigital number, since it uses as much as digits as its factorization.

25218330341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 25218330341 in words is "twenty-five billion, two hundred eighteen million, three hundred thirty thousand, three hundred forty-one".