25316223 has 4 divisors (see below), whose sum is σ = 33754968. Its totient is φ = 16877480.

The previous prime is 25316219. The next prime is 25316237. The reversal of 25316223 is 32261352.

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

It is a cyclic number.

It is not a de Polignac number, because 25316223 - 2² = 25316219 is a prime.

It is a super-2 number, since 2×25316223² = 1281822293971458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25316193 and 25316202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25316023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4219368 + ... + 4219373.

It is an arithmetic number, because the mean of its divisors is an integer number (8438742).

Almost surely, 2^25316223 is an apocalyptic number.

25316223 is a deficient number, since it is larger than the sum of its proper divisors (8438745).

25316223 is an equidigital number, since it uses as much as digits as its factorization.

25316223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438744.

The product of its digits is 2160, while the sum is 24.

The square root of 25316223 is about 5031.5229304854. The cubic root of 25316223 is about 293.6294674953.

Adding to 25316223 its reverse (32261352), we get a palindrome (57577575).

The spelling of 25316223 in words is "twenty-five million, three hundred sixteen thousand, two hundred twenty-three".