25012003 has 2 divisors, whose sum is σ = 25012004. Its totient is φ = 25012002.

The previous prime is 25011997. The next prime is 25012019. The reversal of 25012003 is 30021052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25012003 is a prime.

It is not a weakly prime, because it can be changed into another prime (25012073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506001 + 12506002.

It is an arithmetic number, because the mean of its divisors is an integer number (12506002).

Almost surely, 2^25012003 is an apocalyptic number.

25012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25012003 is an equidigital number, since it uses as much as digits as its factorization.

25012003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 25012003 is about 5001.2001559626. The cubic root of 25012003 is about 292.4485623139.

Adding to 25012003 its reverse (30021052), we get a palindrome (55033055).

The spelling of 25012003 in words is "twenty-five million, twelve thousand, three".