225634276349 has 2 divisors, whose sum is σ = 225634276350. Its totient is φ = 225634276348.

The previous prime is 225634276337. The next prime is 225634276369. The reversal of 225634276349 is 943672436522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126971068900 + 98663207449 = 356330^2 + 314107^2 .

It is a cyclic number.

It is not a de Polignac number, because 225634276349 - 2⁸ = 225634276093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225634276349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225634276319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112817138174 + 112817138175.

It is an arithmetic number, because the mean of its divisors is an integer number (112817138175).

Almost surely, 2^225634276349 is an apocalyptic number.

It is an amenable number.

225634276349 is a deficient number, since it is larger than the sum of its proper divisors (1).

225634276349 is an equidigital number, since it uses as much as digits as its factorization.

225634276349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 53.

The spelling of 225634276349 in words is "two hundred twenty-five billion, six hundred thirty-four million, two hundred seventy-six thousand, three hundred forty-nine".