274355897 has 4 divisors (see below), whose sum is σ = 275146896. Its totient is φ = 273564900.

The previous prime is 274355881. The next prime is 274355903. The reversal of 274355897 is 798553472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 274355897 - 2⁴ = 274355881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274355297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394979 + ... + 395672.

It is an arithmetic number, because the mean of its divisors is an integer number (68786724).

Almost surely, 2^274355897 is an apocalyptic number.

It is an amenable number.

274355897 is a deficient number, since it is larger than the sum of its proper divisors (790999).

274355897 is an equidigital number, since it uses as much as digits as its factorization.

274355897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790998.

The product of its digits is 2116800, while the sum is 50.

The square root of 274355897 is about 16563.6921306815. The cubic root of 274355897 is about 649.7876205560.

The spelling of 274355897 in words is "two hundred seventy-four million, three hundred fifty-five thousand, eight hundred ninety-seven".