25200073 has 2 divisors, whose sum is σ = 25200074. Its totient is φ = 25200072.

The previous prime is 25200067. The next prime is 25200113. The reversal of 25200073 is 37000252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 5513104 = 4437^2 + 2348^2 .

It is a cyclic number.

It is not a de Polignac number, because 25200073 - 2⁵ = 25200041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25200073.

It is not a weakly prime, because it can be changed into another prime (25200013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600036 + 12600037.

It is an arithmetic number, because the mean of its divisors is an integer number (12600037).

Almost surely, 2^25200073 is an apocalyptic number.

It is an amenable number.

25200073 is a deficient number, since it is larger than the sum of its proper divisors (1).

25200073 is an equidigital number, since it uses as much as digits as its factorization.

25200073 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 25200073 is about 5019.9674301732. The cubic root of 25200073 is about 293.1797248719.

The spelling of 25200073 in words is "twenty-five million, two hundred thousand, seventy-three".