274883261 has 4 divisors (see below), whose sum is σ = 275043612. Its totient is φ = 274722912.

The previous prime is 274883243. The next prime is 274883267. The reversal of 274883261 is 162388472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156400036 + 118483225 = 12506^2 + 10885^2 .

It is a cyclic number.

It is not a de Polignac number, because 274883261 - 2¹⁴ = 274866877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274883267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77576 + ... + 81041.

It is an arithmetic number, because the mean of its divisors is an integer number (68760903).

Almost surely, 2^274883261 is an apocalyptic number.

It is an amenable number.

274883261 is a deficient number, since it is larger than the sum of its proper divisors (160351).

274883261 is a wasteful number, since it uses less digits than its factorization.

274883261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160350.

The product of its digits is 129024, while the sum is 41.

The square root of 274883261 is about 16579.6037648672. The cubic root of 274883261 is about 650.2036923747.

The spelling of 274883261 in words is "two hundred seventy-four million, eight hundred eighty-three thousand, two hundred sixty-one".