25252603 has 2 divisors, whose sum is σ = 25252604. Its totient is φ = 25252602.

The previous prime is 25252541. The next prime is 25252609. The reversal of 25252603 is 30625252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25252603 - 2¹³ = 25244411 is a prime.

It is not a weakly prime, because it can be changed into another prime (25252609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626301 + 12626302.

It is an arithmetic number, because the mean of its divisors is an integer number (12626302).

Almost surely, 2^25252603 is an apocalyptic number.

25252603 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252603 is an equidigital number, since it uses as much as digits as its factorization.

25252603 is an odious number, because the sum of its binary digits is odd.

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

The square root of 25252603 is about 5025.1968120662. The cubic root of 25252603 is about 293.3832962702.

Adding to 25252603 its reverse (30625252), we get a palindrome (55877855).

The spelling of 25252603 in words is "twenty-five million, two hundred fifty-two thousand, six hundred three".