545215001225 has 12 divisors (see below), whose sum is σ = 690450998784. Its totient is φ = 426891744720.

The previous prime is 545215001209. The next prime is 545215001251. The reversal of 545215001225 is 522100512545.

It is a happy number.

It is not a de Polignac number, because 545215001225 - 2⁴ = 545215001209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545215001191 and 545215001200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232005209 + ... + 232007558.

It is an arithmetic number, because the mean of its divisors is an integer number (57537583232).

Almost surely, 2^545215001225 is an apocalyptic number.

It is an amenable number.

545215001225 is a deficient number, since it is larger than the sum of its proper divisors (145235997559).

545215001225 is a wasteful number, since it uses less digits than its factorization.

545215001225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464012824 (or 464012819 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 545215001225 in words is "five hundred forty-five billion, two hundred fifteen million, one thousand, two hundred twenty-five".