25633273 has 2 divisors, whose sum is σ = 25633274. Its totient is φ = 25633272.

The previous prime is 25633271. The next prime is 25633313. The reversal of 25633273 is 37233652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24127744 + 1505529 = 4912^2 + 1227^2 .

It is a cyclic number.

It is not a de Polignac number, because 25633273 - 2¹ = 25633271 is a prime.

Together with 25633271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25633271) 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, 12816636 + 12816637.

It is an arithmetic number, because the mean of its divisors is an integer number (12816637).

Almost surely, 2^25633273 is an apocalyptic number.

It is an amenable number.

25633273 is a deficient number, since it is larger than the sum of its proper divisors (1).

25633273 is an equidigital number, since it uses as much as digits as its factorization.

25633273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 31.

The square root of 25633273 is about 5062.9312655812. The cubic root of 25633273 is about 294.8501508413.

The spelling of 25633273 in words is "twenty-five million, six hundred thirty-three thousand, two hundred seventy-three".