274000457 has 2 divisors, whose sum is σ = 274000458. Its totient is φ = 274000456.

The previous prime is 274000451. The next prime is 274000481. The reversal of 274000457 is 754000472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270799936 + 3200521 = 16456^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 274000457 - 2⁶ = 274000393 is a prime.

It is equal to p_14917313 and since 274000457 and 14917313 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (274000451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137000228 + 137000229.

It is an arithmetic number, because the mean of its divisors is an integer number (137000229).

Almost surely, 2^274000457 is an apocalyptic number.

It is an amenable number.

274000457 is a deficient number, since it is larger than the sum of its proper divisors (1).

274000457 is an equidigital number, since it uses as much as digits as its factorization.

274000457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 274000457 is about 16552.9591614309. The cubic root of 274000457 is about 649.5068899114.

The spelling of 274000457 in words is "two hundred seventy-four million, four hundred fifty-seven", and thus it is an aban number.