225012587 has 2 divisors, whose sum is σ = 225012588. Its totient is φ = 225012586.

The previous prime is 225012583. The next prime is 225012643. The reversal of 225012587 is 785210522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225012587 - 2² = 225012583 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225012581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112506293 + 112506294.

It is an arithmetic number, because the mean of its divisors is an integer number (112506294).

Almost surely, 2^225012587 is an apocalyptic number.

225012587 is a deficient number, since it is larger than the sum of its proper divisors (1).

225012587 is an equidigital number, since it uses as much as digits as its factorization.

225012587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 225012587 is about 15000.4195607990. The cubic root of 225012587 is about 608.2315410757.

The spelling of 225012587 in words is "two hundred twenty-five million, twelve thousand, five hundred eighty-seven".