25051003 has 2 divisors, whose sum is σ = 25051004. Its totient is φ = 25051002.

The previous prime is 25050989. The next prime is 25051043. The reversal of 25051003 is 30015052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25051003 - 2⁹ = 25050491 is a prime.

It is not a weakly prime, because it can be changed into another prime (25051043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525501 + 12525502.

It is an arithmetic number, because the mean of its divisors is an integer number (12525502).

Almost surely, 2^25051003 is an apocalyptic number.

25051003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25051003 is an equidigital number, since it uses as much as digits as its factorization.

25051003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 25051003 is about 5005.0977013441. The cubic root of 25051003 is about 292.6004836541.

Adding to 25051003 its reverse (30015052), we get a palindrome (55066055).

The spelling of 25051003 in words is "twenty-five million, fifty-one thousand, three".