25253803 has 2 divisors, whose sum is σ = 25253804. Its totient is φ = 25253802.

The previous prime is 25253801. The next prime is 25253807. The reversal of 25253803 is 30835252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25253803 - 2¹ = 25253801 is a prime.

Together with 25253801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25253801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626901 + 12626902.

It is an arithmetic number, because the mean of its divisors is an integer number (12626902).

Almost surely, 2^25253803 is an apocalyptic number.

25253803 is a deficient number, since it is larger than the sum of its proper divisors (1).

25253803 is an equidigital number, since it uses as much as digits as its factorization.

25253803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 25253803 is about 5025.3162089564. The cubic root of 25253803 is about 293.3879433737.

It can be divided in two parts, 2525 and 3803, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 25253803 in words is "twenty-five million, two hundred fifty-three thousand, eight hundred three".