225002993 has 2 divisors, whose sum is σ = 225002994. Its totient is φ = 225002992.

The previous prime is 225002989. The next prime is 225003011. The reversal of 225002993 is 399200522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183683809 + 41319184 = 13553^2 + 6428^2 .

It is a cyclic number.

It is not a de Polignac number, because 225002993 - 2² = 225002989 is a prime.

It is not a weakly prime, because it can be changed into another prime (225002903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112501496 + 112501497.

It is an arithmetic number, because the mean of its divisors is an integer number (112501497).

Almost surely, 2^225002993 is an apocalyptic number.

It is an amenable number.

225002993 is a deficient number, since it is larger than the sum of its proper divisors (1).

225002993 is an equidigital number, since it uses as much as digits as its factorization.

225002993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 225002993 is about 15000.0997663349. The cubic root of 225002993 is about 608.2228964388. Note that the first 3 decimals are identical.

The spelling of 225002993 in words is "two hundred twenty-five million, two thousand, nine hundred ninety-three".