25140227 has 8 divisors (see below), whose sum is σ = 28836192. Its totient is φ = 21470400.

The previous prime is 25140223. The next prime is 25140239. The reversal of 25140227 is 72204152.

It is a happy number.

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

It is not a de Polignac number, because 25140227 - 2² = 25140223 is a prime.

It is a super-2 number, since 2×25140227² = 1264062027223058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25140223) 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, 4424 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (3604524).

Almost surely, 2^25140227 is an apocalyptic number.

25140227 is a deficient number, since it is larger than the sum of its proper divisors (3695965).

25140227 is a wasteful number, since it uses less digits than its factorization.

25140227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13069.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 25140227 is about 5014.0030913433. The cubic root of 25140227 is about 292.9474564774.

Adding to 25140227 its reverse (72204152), we get a palindrome (97344379).

The spelling of 25140227 in words is "twenty-five million, one hundred forty thousand, two hundred twenty-seven".