273724225 has 12 divisors (see below), whose sum is σ = 359384364. Its totient is φ = 206097920.

The previous prime is 273724223. The next prime is 273724229. The reversal of 273724225 is 522427372.

It can be written as a sum of positive squares in 6 ways, for example, as 2166784 + 271557441 = 1472^2 + 16479^2 .

It is not a de Polignac number, because 273724225 - 2¹ = 273724223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273724223) 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, 321604 + ... + 322453.

It is an arithmetic number, because the mean of its divisors is an integer number (29948697).

Almost surely, 2^273724225 is an apocalyptic number.

273724225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

273724225 is a deficient number, since it is larger than the sum of its proper divisors (85660139).

273724225 is a wasteful number, since it uses less digits than its factorization.

273724225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644084 (or 644079 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 273724225 is about 16544.6131716641. The cubic root of 273724225 is about 649.2885509654.

It can be divided in two parts, 2737 and 24225, that added together give a palindrome (26962).

The spelling of 273724225 in words is "two hundred seventy-three million, seven hundred twenty-four thousand, two hundred twenty-five".