225513542033 has 12 divisors (see below), whose sum is σ = 244886972940. Its totient is φ = 207576585216.

The previous prime is 225513541999. The next prime is 225513542057. The reversal of 225513542033 is 330245315522.

It can be written as a sum of positive squares in 6 ways, for example, as 101332715584 + 124180826449 = 318328^2 + 352393^2 .

It is not a de Polignac number, because 225513542033 - 2⁶ = 225513541969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225513541984 and 225513542002.

It is not an unprimeable number, because it can be changed into a prime (225513542063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1830428 + ... + 1949741.

It is an arithmetic number, because the mean of its divisors is an integer number (20407247745).

Almost surely, 2^225513542033 is an apocalyptic number.

It is an amenable number.

225513542033 is a deficient number, since it is larger than the sum of its proper divisors (19373430907).

225513542033 is a wasteful number, since it uses less digits than its factorization.

225513542033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780548 (or 3780535 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 225513542033 its reverse (330245315522), we get a palindrome (555758857555).

The spelling of 225513542033 in words is "two hundred twenty-five billion, five hundred thirteen million, five hundred forty-two thousand, thirty-three".