25300003 has 2 divisors, whose sum is σ = 25300004. Its totient is φ = 25300002.

The previous prime is 25299997. The next prime is 25300007. The reversal of 25300003 is 30000352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25300003 is a prime.

It is not a weakly prime, because it can be changed into another prime (25300007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650001 + 12650002.

It is an arithmetic number, because the mean of its divisors is an integer number (12650002).

Almost surely, 2^25300003 is an apocalyptic number.

25300003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25300003 is an equidigital number, since it uses as much as digits as its factorization.

25300003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 25300003 is about 5029.9108341997. The cubic root of 25300003 is about 293.5667450338.

Adding to 25300003 its reverse (30000352), we get a palindrome (55300355).

The spelling of 25300003 in words is "twenty-five million, three hundred thousand, three".