225150240509 has 2 divisors, whose sum is σ = 225150240510. Its totient is φ = 225150240508.

The previous prime is 225150240479. The next prime is 225150240551. The reversal of 225150240509 is 905042051522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195642559225 + 29507681284 = 442315^2 + 171778^2 .

It is a cyclic number.

It is not a de Polignac number, because 225150240509 - 2²⁸ = 224881805053 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225150240109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112575120254 + 112575120255.

It is an arithmetic number, because the mean of its divisors is an integer number (112575120255).

Almost surely, 2^225150240509 is an apocalyptic number.

It is an amenable number.

225150240509 is a deficient number, since it is larger than the sum of its proper divisors (1).

225150240509 is an equidigital number, since it uses as much as digits as its factorization.

225150240509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 225150240509 in words is "two hundred twenty-five billion, one hundred fifty million, two hundred forty thousand, five hundred nine".