274384213 has 4 divisors (see below), whose sum is σ = 274435468. Its totient is φ = 274332960.

The previous prime is 274384169. The next prime is 274384217. The reversal of 274384213 is 312483472.

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 123143409 + 151240804 = 11097^2 + 12298^2 .

It is a cyclic number.

It is not a de Polignac number, because 274384213 - 2⁹ = 274383701 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 (274384217) 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, 16518 + ... + 28663.

It is an arithmetic number, because the mean of its divisors is an integer number (68608867).

Almost surely, 2^274384213 is an apocalyptic number.

It is an amenable number.

274384213 is a deficient number, since it is larger than the sum of its proper divisors (51255).

274384213 is an equidigital number, since it uses as much as digits as its factorization.

274384213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51254.

The product of its digits is 32256, while the sum is 34.

The square root of 274384213 is about 16564.5468697456. The cubic root of 274384213 is about 649.8099744323.

The spelling of 274384213 in words is "two hundred seventy-four million, three hundred eighty-four thousand, two hundred thirteen".