273156334225 has 6 divisors (see below), whose sum is σ = 338713854470. Its totient is φ = 218525067360.

The previous prime is 273156334201. The next prime is 273156334301. The reversal of 273156334225 is 522433651372.

It can be written as a sum of positive squares in 3 ways, for example, as 35211396609 + 237944937616 = 187647^2 + 487796^2 .

It is not a de Polignac number, because 273156334225 - 2⁹ = 273156333713 is a prime.

It is a super-2 number, since 2×273156334225² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5463126660 + ... + 5463126709.

Almost surely, 2^273156334225 is an apocalyptic number.

273156334225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

273156334225 is a deficient number, since it is larger than the sum of its proper divisors (65557520245).

273156334225 is a wasteful number, since it uses less digits than its factorization.

273156334225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10926253379 (or 10926253374 counting only the distinct ones).

The product of its digits is 907200, while the sum is 43.

Adding to 273156334225 its reverse (522433651372), we get a palindrome (795589985597).

The spelling of 273156334225 in words is "two hundred seventy-three billion, one hundred fifty-six million, three hundred thirty-four thousand, two hundred twenty-five".