25000853 has 2 divisors, whose sum is σ = 25000854. Its totient is φ = 25000852.

The previous prime is 25000841. The next prime is 25000861. The reversal of 25000853 is 35800052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13965169 + 11035684 = 3737^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 25000853 - 2⁸ = 25000597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25000823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500426 + 12500427.

It is an arithmetic number, because the mean of its divisors is an integer number (12500427).

Almost surely, 2^25000853 is an apocalyptic number.

It is an amenable number.

25000853 is a deficient number, since it is larger than the sum of its proper divisors (1).

25000853 is an equidigital number, since it uses as much as digits as its factorization.

25000853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25000853 is about 5000.0852992724. The cubic root of 25000853 is about 292.4050993663.

The spelling of 25000853 in words is "twenty-five million, eight hundred fifty-three", and thus it is an aban number.