25835533 has 2 divisors, whose sum is σ = 25835534. Its totient is φ = 25835532.

The previous prime is 25835531. The next prime is 25835587. The reversal of 25835533 is 33553852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17413929 + 8421604 = 4173^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 25835533 - 2¹ = 25835531 is a prime.

Together with 25835531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25835531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12917766 + 12917767.

It is an arithmetic number, because the mean of its divisors is an integer number (12917767).

Almost surely, 2^25835533 is an apocalyptic number.

It is an amenable number.

25835533 is a deficient number, since it is larger than the sum of its proper divisors (1).

25835533 is an equidigital number, since it uses as much as digits as its factorization.

25835533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 34.

The square root of 25835533 is about 5082.8666124540. The cubic root of 25835533 is about 295.6236275818.

The spelling of 25835533 in words is "twenty-five million, eight hundred thirty-five thousand, five hundred thirty-three".