274326853 has 2 divisors, whose sum is σ = 274326854. Its totient is φ = 274326852.

The previous prime is 274326839. The next prime is 274326893. The reversal of 274326853 is 358623472.

It is an a-pointer prime, because the next prime (274326893) can be obtained adding 274326853 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250968964 + 23357889 = 15842^2 + 4833^2 .

It is a cyclic number.

It is not a de Polignac number, because 274326853 - 2²⁵ = 240772421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274326803) 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 as a sum of consecutive naturals, namely, 137163426 + 137163427.

It is an arithmetic number, because the mean of its divisors is an integer number (137163427).

Almost surely, 2^274326853 is an apocalyptic number.

It is an amenable number.

274326853 is a deficient number, since it is larger than the sum of its proper divisors (1).

274326853 is an equidigital number, since it uses as much as digits as its factorization.

274326853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 274326853 is about 16562.8153705824. The cubic root of 274326853 is about 649.7646903671.

The spelling of 274326853 in words is "two hundred seventy-four million, three hundred twenty-six thousand, eight hundred fifty-three".