25502303 has 2 divisors, whose sum is σ = 25502304. Its totient is φ = 25502302.

The previous prime is 25502299. The next prime is 25502359. The reversal of 25502303 is 30320552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25502303 - 2² = 25502299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25505303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12751151 + 12751152.

It is an arithmetic number, because the mean of its divisors is an integer number (12751152).

Almost surely, 2^25502303 is an apocalyptic number.

25502303 is a deficient number, since it is larger than the sum of its proper divisors (1).

25502303 is an equidigital number, since it uses as much as digits as its factorization.

25502303 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 25502303 is about 5049.9804950118. The cubic root of 25502303 is about 294.3471265059.

Adding to 25502303 its reverse (30320552), we get a palindrome (55822855).

The spelling of 25502303 in words is "twenty-five million, five hundred two thousand, three hundred three".