225134091 has 24 divisors (see below), whose sum is σ = 400239840. Its totient is φ = 118751616.

The previous prime is 225134087. The next prime is 225134093. The reversal of 225134091 is 190431522.

225134091 is a `hidden beast` number, since 2 + 251 + 3 + 409 + 1 = 666.

225134091 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 225134091 - 2² = 225134087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225134093) 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, 136626 + ... + 138263.

It is an arithmetic number, because the mean of its divisors is an integer number (16676660).

Almost surely, 2^225134091 is an apocalyptic number.

225134091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

225134091 is a deficient number, since it is larger than the sum of its proper divisors (175105749).

225134091 is a wasteful number, since it uses less digits than its factorization.

225134091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274915 (or 274912 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 225134091 is about 15004.4690342578. The cubic root of 225134091 is about 608.3410005330.

The spelling of 225134091 in words is "two hundred twenty-five million, one hundred thirty-four thousand, ninety-one".