25000273 has 2 divisors, whose sum is σ = 25000274. Its totient is φ = 25000272.

The previous prime is 25000267. The next prime is 25000277. The reversal of 25000273 is 37200052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15618304 + 9381969 = 3952^2 + 3063^2 .

It is a cyclic number.

It is not a de Polignac number, because 25000273 - 2⁹ = 24999761 is a prime.

25000273 is a modest number, since divided by 273 gives 25 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 25000273.

It is not a weakly prime, because it can be changed into another prime (25000277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500136 + 12500137.

It is an arithmetic number, because the mean of its divisors is an integer number (12500137).

Almost surely, 2^25000273 is an apocalyptic number.

It is an amenable number.

25000273 is a deficient number, since it is larger than the sum of its proper divisors (1).

25000273 is an equidigital number, since it uses as much as digits as its factorization.

25000273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 25000273 is about 5000.0272999255. The cubic root of 25000273 is about 292.4028381599.

The spelling of 25000273 in words is "twenty-five million, two hundred seventy-three", and thus it is an aban number.