225384377 has 2 divisors, whose sum is σ = 225384378. Its totient is φ = 225384376.

The previous prime is 225384359. The next prime is 225384431. The reversal of 225384377 is 773483522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144456361 + 80928016 = 12019^2 + 8996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225384377 is a prime.

It is a super-3 number, since 3×225384377³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225384347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112692188 + 112692189.

It is an arithmetic number, because the mean of its divisors is an integer number (112692189).

Almost surely, 2^225384377 is an apocalyptic number.

It is an amenable number.

225384377 is a deficient number, since it is larger than the sum of its proper divisors (1).

225384377 is an equidigital number, since it uses as much as digits as its factorization.

225384377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 225384377 is about 15012.8070992736. The cubic root of 225384377 is about 608.5663519323.

The spelling of 225384377 in words is "two hundred twenty-five million, three hundred eighty-four thousand, three hundred seventy-seven".