25636133 has 2 divisors, whose sum is σ = 25636134. Its totient is φ = 25636132.

The previous prime is 25636129. The next prime is 25636141. The reversal of 25636133 is 33163652.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 214369 = 5042^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 25636133 - 2² = 25636129 is a prime.

It is a super-2 number, since 2×25636133² = 1314422630387378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25636096 and 25636105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25636333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12818066 + 12818067.

It is an arithmetic number, because the mean of its divisors is an integer number (12818067).

Almost surely, 2^25636133 is an apocalyptic number.

It is an amenable number.

25636133 is a deficient number, since it is larger than the sum of its proper divisors (1).

25636133 is an equidigital number, since it uses as much as digits as its factorization.

25636133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

The square root of 25636133 is about 5063.2137027781. The cubic root of 25636133 is about 294.8611162777.

Adding to 25636133 its reverse (33163652), we get a palindrome (58799785).

The spelling of 25636133 in words is "twenty-five million, six hundred thirty-six thousand, one hundred thirty-three".