225004131 has 24 divisors (see below), whose sum is σ = 357707376. Its totient is φ = 135152640.

The previous prime is 225004121. The next prime is 225004151. The reversal of 225004131 is 131400522.

225004131 is a `hidden beast` number, since 2 + 250 + 0 + 413 + 1 = 666.

225004131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225004131 - 2¹¹ = 225002083 is a prime.

It is a super-2 number, since 2×225004131² = 101253717934130322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225004121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1131 + ... + 21243.

It is an arithmetic number, because the mean of its divisors is an integer number (14904474).

Almost surely, 2^225004131 is an apocalyptic number.

225004131 is a deficient number, since it is larger than the sum of its proper divisors (132703245).

225004131 is a wasteful number, since it uses less digits than its factorization.

225004131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20243 (or 20240 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 225004131 is about 15000.1376993680. The cubic root of 225004131 is about 608.2239218422.

Adding to 225004131 its reverse (131400522), we get a palindrome (356404653).

The spelling of 225004131 in words is "two hundred twenty-five million, four thousand, one hundred thirty-one".