25252223 has 8 divisors (see below), whose sum is σ = 26073168. Its totient is φ = 24441984.

The previous prime is 25252193. The next prime is 25252247. The reversal of 25252223 is 32225252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25252223 - 2¹² = 25248127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252723) 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 in 7 ways as a sum of consecutive naturals, for example, 2261 + ... + 7457.

It is an arithmetic number, because the mean of its divisors is an integer number (3259146).

Almost surely, 2^25252223 is an apocalyptic number.

25252223 is a deficient number, since it is larger than the sum of its proper divisors (820945).

25252223 is a wasteful number, since it uses less digits than its factorization.

25252223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353.

The product of its digits is 2400, while the sum is 23.

The square root of 25252223 is about 5025.1590024595. The cubic root of 25252223 is about 293.3818246567.

Adding to 25252223 its reverse (32225252), we get a palindrome (57477475).

The spelling of 25252223 in words is "twenty-five million, two hundred fifty-two thousand, two hundred twenty-three".