25228873 has 4 divisors (see below), whose sum is σ = 25574548. Its totient is φ = 24883200.

The previous prime is 25228871. The next prime is 25228913. The reversal of 25228873 is 37882252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7689529 + 17539344 = 2773^2 + 4188^2 .

It is a cyclic number.

It is not a de Polignac number, because 25228873 - 2¹ = 25228871 is a prime.

It is a super-3 number, since 3×25228873³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25228871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172728 + ... + 172873.

It is an arithmetic number, because the mean of its divisors is an integer number (6393637).

Almost surely, 2^25228873 is an apocalyptic number.

It is an amenable number.

25228873 is a deficient number, since it is larger than the sum of its proper divisors (345675).

25228873 is an equidigital number, since it uses as much as digits as its factorization.

25228873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345674.

The product of its digits is 53760, while the sum is 37.

The square root of 25228873 is about 5022.8351555670. The cubic root of 25228873 is about 293.2913695422.

The spelling of 25228873 in words is "twenty-five million, two hundred twenty-eight thousand, eight hundred seventy-three".