25068537133 has 2 divisors, whose sum is σ = 25068537134. Its totient is φ = 25068537132.

The previous prime is 25068537121. The next prime is 25068537301. The reversal of 25068537133 is 33173586052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22153940964 + 2914596169 = 148842^2 + 53987^2 .

It is a cyclic number.

It is not a de Polignac number, because 25068537133 - 2⁵ = 25068537101 is a prime.

It is a super-4 number, since 4×25068537133⁴ (a number of 43 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25068537133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25068537113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12534268566 + 12534268567.

It is an arithmetic number, because the mean of its divisors is an integer number (12534268567).

Almost surely, 2^25068537133 is an apocalyptic number.

It is an amenable number.

25068537133 is a deficient number, since it is larger than the sum of its proper divisors (1).

25068537133 is an equidigital number, since it uses as much as digits as its factorization.

25068537133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 25068537133 in words is "twenty-five billion, sixty-eight million, five hundred thirty-seven thousand, one hundred thirty-three".