25250033 has 2 divisors, whose sum is σ = 25250034. Its totient is φ = 25250032.

The previous prime is 25250003. The next prime is 25250047. The reversal of 25250033 is 33005252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23309584 + 1940449 = 4828^2 + 1393^2 .

It is a cyclic number.

It is not a de Polignac number, because 25250033 - 2⁶ = 25249969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25249987 and 25250014.

It is not a weakly prime, because it can be changed into another prime (25250003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625016 + 12625017.

It is an arithmetic number, because the mean of its divisors is an integer number (12625017).

Almost surely, 2^25250033 is an apocalyptic number.

It is an amenable number.

25250033 is a deficient number, since it is larger than the sum of its proper divisors (1).

25250033 is an equidigital number, since it uses as much as digits as its factorization.

25250033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 25250033 is about 5024.9410941821. The cubic root of 25250033 is about 293.3733432282.

Adding to 25250033 its reverse (33005252), we get a palindrome (58255285).

The spelling of 25250033 in words is "twenty-five million, two hundred fifty thousand, thirty-three".