25920133 has 2 divisors, whose sum is σ = 25920134. Its totient is φ = 25920132.

The previous prime is 25920131. The next prime is 25920151. The reversal of 25920133 is 33102952.

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., 25070049 + 850084 = 5007^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 25920133 - 2¹ = 25920131 is a prime.

Together with 25920131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 25920098 and 25920107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25920131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12960066 + 12960067.

It is an arithmetic number, because the mean of its divisors is an integer number (12960067).

Almost surely, 2^25920133 is an apocalyptic number.

It is an amenable number.

25920133 is a deficient number, since it is larger than the sum of its proper divisors (1).

25920133 is an equidigital number, since it uses as much as digits as its factorization.

25920133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 25920133 is about 5091.1818863600. The cubic root of 25920133 is about 295.9459551012.

The spelling of 25920133 in words is "twenty-five million, nine hundred twenty thousand, one hundred thirty-three".