25002533 has 2 divisors, whose sum is σ = 25002534. Its totient is φ = 25002532.

The previous prime is 25002521. The next prime is 25002547. The reversal of 25002533 is 33520052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 3034564 = 4687^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 25002533 - 2⁶ = 25002469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25002433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12501266 + 12501267.

It is an arithmetic number, because the mean of its divisors is an integer number (12501267).

Almost surely, 2^25002533 is an apocalyptic number.

It is an amenable number.

25002533 is a deficient number, since it is larger than the sum of its proper divisors (1).

25002533 is an equidigital number, since it uses as much as digits as its factorization.

25002533 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 25002533 is about 5000.2532935842. The cubic root of 25002533 is about 292.4116488704.

Adding to 25002533 its reverse (33520052), we get a palindrome (58522585).

The spelling of 25002533 in words is "twenty-five million, two thousand, five hundred thirty-three".