274755197 has 2 divisors, whose sum is σ = 274755198. Its totient is φ = 274755196.

The previous prime is 274755179. The next prime is 274755203. The reversal of 274755197 is 791557472.

Together with previous prime (274755179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224430361 + 50324836 = 14981^2 + 7094^2 .

It is a cyclic number.

It is not a de Polignac number, because 274755197 - 2⁶ = 274755133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274755097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137377598 + 137377599.

It is an arithmetic number, because the mean of its divisors is an integer number (137377599).

Almost surely, 2^274755197 is an apocalyptic number.

It is an amenable number.

274755197 is a deficient number, since it is larger than the sum of its proper divisors (1).

274755197 is an equidigital number, since it uses as much as digits as its factorization.

274755197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 47.

The square root of 274755197 is about 16575.7412202290. The cubic root of 274755197 is about 650.1027032981.

The spelling of 274755197 in words is "two hundred seventy-four million, seven hundred fifty-five thousand, one hundred ninety-seven".