225435454393 has 2 divisors, whose sum is σ = 225435454394. Its totient is φ = 225435454392.

The previous prime is 225435454369. The next prime is 225435454421. The reversal of 225435454393 is 393454534522.

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., 220531673664 + 4903780729 = 469608^2 + 70027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225435454393 is a prime.

It is a super-2 number, since 2×225435454393² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225435454303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112717727196 + 112717727197.

It is an arithmetic number, because the mean of its divisors is an integer number (112717727197).

Almost surely, 2^225435454393 is an apocalyptic number.

It is an amenable number.

225435454393 is a deficient number, since it is larger than the sum of its proper divisors (1).

225435454393 is an equidigital number, since it uses as much as digits as its factorization.

225435454393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776000, while the sum is 49.

The spelling of 225435454393 in words is "two hundred twenty-five billion, four hundred thirty-five million, four hundred fifty-four thousand, three hundred ninety-three".