25245133 has 2 divisors, whose sum is σ = 25245134. Its totient is φ = 25245132.

The previous prime is 25245089. The next prime is 25245139. The reversal of 25245133 is 33154252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25220484 + 24649 = 5022^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 25245133 - 2⁹ = 25244621 is a prime.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 25245098 and 25245107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25245139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12622566 + 12622567.

It is an arithmetic number, because the mean of its divisors is an integer number (12622567).

Almost surely, 2^25245133 is an apocalyptic number.

It is an amenable number.

25245133 is a deficient number, since it is larger than the sum of its proper divisors (1).

25245133 is an equidigital number, since it uses as much as digits as its factorization.

25245133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 25245133 is about 5024.4535026210. The cubic root of 25245133 is about 293.3543647398.

Adding to 25245133 its reverse (33154252), we get a palindrome (58399385).

The spelling of 25245133 in words is "twenty-five million, two hundred forty-five thousand, one hundred thirty-three".