225384587 has 2 divisors, whose sum is σ = 225384588. Its totient is φ = 225384586.

The previous prime is 225384581. The next prime is 225384617. The reversal of 225384587 is 785483522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225384587 - 2⁴ = 225384571 is a prime.

It is not a weakly prime, because it can be changed into another prime (225384581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112692293 + 112692294.

It is an arithmetic number, because the mean of its divisors is an integer number (112692294).

Almost surely, 2^225384587 is an apocalyptic number.

225384587 is a deficient number, since it is larger than the sum of its proper divisors (1).

225384587 is an equidigital number, since it uses as much as digits as its factorization.

225384587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 537600, while the sum is 44.

The square root of 225384587 is about 15012.8140933004. The cubic root of 225384587 is about 608.5665409411.

The spelling of 225384587 in words is "two hundred twenty-five million, three hundred eighty-four thousand, five hundred eighty-seven".