25316227 has 4 divisors (see below), whose sum is σ = 26648680. Its totient is φ = 23983776.

The previous prime is 25316219. The next prime is 25316237. The reversal of 25316227 is 72261352.

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

It is not a de Polignac number, because 25316227 - 2³ = 25316219 is a prime.

It is a super-2 number, since 2×25316227² = 1281822699031058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25316195 and 25316204.

It is not an unprimeable number, because it can be changed into a prime (25316237) 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, 666198 + ... + 666235.

It is an arithmetic number, because the mean of its divisors is an integer number (6662170).

Almost surely, 2^25316227 is an apocalyptic number.

25316227 is a deficient number, since it is larger than the sum of its proper divisors (1332453).

25316227 is a wasteful number, since it uses less digits than its factorization.

25316227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332452.

The product of its digits is 5040, while the sum is 28.

The square root of 25316227 is about 5031.5233279793. The cubic root of 25316227 is about 293.6294829599.

Adding to 25316227 its reverse (72261352), we get a palindrome (97577579).

The spelling of 25316227 in words is "twenty-five million, three hundred sixteen thousand, two hundred twenty-seven".