25835253361 has 2 divisors, whose sum is σ = 25835253362. Its totient is φ = 25835253360.

The previous prime is 25835253359. The next prime is 25835253373. The reversal of 25835253361 is 16335253852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22915904400 + 2919348961 = 151380^2 + 54031^2 .

It is a cyclic number.

It is not a de Polignac number, because 25835253361 - 2¹ = 25835253359 is a prime.

It is a super-3 number, since 3×25835253361³ (a number of 32 digits) contains 333 as substring.

Together with 25835253359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25835253341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12917626680 + 12917626681.

It is an arithmetic number, because the mean of its divisors is an integer number (12917626681).

Almost surely, 2^25835253361 is an apocalyptic number.

It is an amenable number.

25835253361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25835253361 is an equidigital number, since it uses as much as digits as its factorization.

25835253361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 43.

The spelling of 25835253361 in words is "twenty-five billion, eight hundred thirty-five million, two hundred fifty-three thousand, three hundred sixty-one".