273243516025 has 6 divisors (see below), whose sum is σ = 338821959902. Its totient is φ = 218594812800.

The previous prime is 273243516001. The next prime is 273243516089. The reversal of 273243516025 is 520615342372.

It can be written as a sum of positive squares in 3 ways, for example, as 43388473401 + 229855042624 = 208299^2 + 479432^2 .

It is not a de Polignac number, because 273243516025 - 2⁹ = 273243515513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5464870296 + ... + 5464870345.

Almost surely, 2^273243516025 is an apocalyptic number.

273243516025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

273243516025 is a deficient number, since it is larger than the sum of its proper divisors (65578443877).

273243516025 is a wasteful number, since it uses less digits than its factorization.

273243516025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10929740651 (or 10929740646 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

Adding to 273243516025 its reverse (520615342372), we get a palindrome (793858858397).

The spelling of 273243516025 in words is "two hundred seventy-three billion, two hundred forty-three million, five hundred sixteen thousand, twenty-five".