25085229 has 16 divisors (see below), whose sum is σ = 36120000. Its totient is φ = 15394176.

The previous prime is 25085227. The next prime is 25085243. The reversal of 25085229 is 92258052.

It is not a de Polignac number, because 25085229 - 2¹ = 25085227 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25085229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25085227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18817 + ... + 20105.

It is an arithmetic number, because the mean of its divisors is an integer number (2257500).

Almost surely, 2^25085229 is an apocalyptic number.

It is an amenable number.

25085229 is a deficient number, since it is larger than the sum of its proper divisors (11034771).

25085229 is a wasteful number, since it uses less digits than its factorization.

25085229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 25085229 is about 5008.5156483733. The cubic root of 25085229 is about 292.7336784117.

The spelling of 25085229 in words is "twenty-five million, eighty-five thousand, two hundred twenty-nine".