225057773453 has 4 divisors (see below), whose sum is σ = 226301186748. Its totient is φ = 223814360160.

The previous prime is 225057773443. The next prime is 225057773497. The reversal of 225057773453 is 354377750522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354377750522 = 2 ⋅177188875261.

It can be written as a sum of positive squares in 2 ways, for example, as 41999583844 + 183058189609 = 204938^2 + 427853^2 .

It is a cyclic number.

It is not a de Polignac number, because 225057773453 - 2⁶ = 225057773389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225057773443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621706376 + ... + 621706737.

It is an arithmetic number, because the mean of its divisors is an integer number (56575296687).

Almost surely, 2^225057773453 is an apocalyptic number.

It is an amenable number.

225057773453 is a deficient number, since it is larger than the sum of its proper divisors (1243413295).

225057773453 is a wasteful number, since it uses less digits than its factorization.

225057773453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243413294.

The product of its (nonzero) digits is 6174000, while the sum is 50.

The spelling of 225057773453 in words is "two hundred twenty-five billion, fifty-seven million, seven hundred seventy-three thousand, four hundred fifty-three".