225069287 has 2 divisors, whose sum is σ = 225069288. Its totient is φ = 225069286.

The previous prime is 225069277. The next prime is 225069343. The reversal of 225069287 is 782960522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225069287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225069277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112534643 + 112534644.

It is an arithmetic number, because the mean of its divisors is an integer number (112534644).

Almost surely, 2^225069287 is an apocalyptic number.

225069287 is a deficient number, since it is larger than the sum of its proper divisors (1).

225069287 is an equidigital number, since it uses as much as digits as its factorization.

225069287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 225069287 is about 15002.3093888908. The cubic root of 225069287 is about 608.2826253765.

The spelling of 225069287 in words is "two hundred twenty-five million, sixty-nine thousand, two hundred eighty-seven".