25423003 has 2 divisors, whose sum is σ = 25423004. Its totient is φ = 25423002.

The previous prime is 25423001. The next prime is 25423009. The reversal of 25423003 is 30032452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25423003 - 2¹ = 25423001 is a prime.

Together with 25423001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25423001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12711501 + 12711502.

It is an arithmetic number, because the mean of its divisors is an integer number (12711502).

Almost surely, 2^25423003 is an apocalyptic number.

25423003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25423003 is an equidigital number, since it uses as much as digits as its factorization.

25423003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 25423003 is about 5042.1228664125. The cubic root of 25423003 is about 294.0417166651.

Adding to 25423003 its reverse (30032452), we get a palindrome (55455455).

The spelling of 25423003 in words is "twenty-five million, four hundred twenty-three thousand, three".