274040293 has 2 divisors, whose sum is σ = 274040294. Its totient is φ = 274040292.

The previous prime is 274040233. The next prime is 274040303. The reversal of 274040293 is 392040472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249418849 + 24621444 = 15793^2 + 4962^2 .

It is a cyclic number.

It is not a de Polignac number, because 274040293 - 2²¹ = 271943141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274040233) 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, 137020146 + 137020147.

It is an arithmetic number, because the mean of its divisors is an integer number (137020147).

Almost surely, 2^274040293 is an apocalyptic number.

It is an amenable number.

274040293 is a deficient number, since it is larger than the sum of its proper divisors (1).

274040293 is an equidigital number, since it uses as much as digits as its factorization.

274040293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 274040293 is about 16554.1624070806. The cubic root of 274040293 is about 649.5383649229.

The spelling of 274040293 in words is "two hundred seventy-four million, forty thousand, two hundred ninety-three".