25136227 has 4 divisors (see below), whose sum is σ = 25146256. Its totient is φ = 25126200.

The previous prime is 25136207. The next prime is 25136233. The reversal of 25136227 is 72263152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25136227 - 2⁷ = 25136099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25136195 and 25136204.

It is not an unprimeable number, because it can be changed into a prime (25136207) 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, 2413 + ... + 7489.

It is an arithmetic number, because the mean of its divisors is an integer number (6286564).

Almost surely, 2^25136227 is an apocalyptic number.

25136227 is a deficient number, since it is larger than the sum of its proper divisors (10029).

25136227 is an equidigital number, since it uses as much as digits as its factorization.

25136227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028.

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

The square root of 25136227 is about 5013.6041925944. The cubic root of 25136227 is about 292.9319189357.

Adding to 25136227 its reverse (72263152), we get a palindrome (97399379).

The spelling of 25136227 in words is "twenty-five million, one hundred thirty-six thousand, two hundred twenty-seven".