25145227 has 8 divisors (see below), whose sum is σ = 28026000. Its totient is φ = 22420224.

The previous prime is 25145221. The next prime is 25145273. The reversal of 25145227 is 72254152.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25145227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25145195 and 25145204.

It is not an unprimeable number, because it can be changed into a prime (25145221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38602 + ... + 39247.

It is an arithmetic number, because the mean of its divisors is an integer number (3503250).

Almost surely, 2^25145227 is an apocalyptic number.

25145227 is a deficient number, since it is larger than the sum of its proper divisors (2880773).

25145227 is a wasteful number, since it uses less digits than its factorization.

25145227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77885.

The product of its digits is 5600, while the sum is 28.

The square root of 25145227 is about 5014.5016701563. The cubic root of 25145227 is about 292.9668760871.

Adding to 25145227 its reverse (72254152), we get a palindrome (97399379).

The spelling of 25145227 in words is "twenty-five million, one hundred forty-five thousand, two hundred twenty-seven".