274000247 has 2 divisors, whose sum is σ = 274000248. Its totient is φ = 274000246.

The previous prime is 274000217. The next prime is 274000283. The reversal of 274000247 is 742000472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274000247 - 2⁶ = 274000183 is a prime.

It is a super-2 number, since 2×274000247² = 150152270712122018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274000217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137000123 + 137000124.

It is an arithmetic number, because the mean of its divisors is an integer number (137000124).

Almost surely, 2^274000247 is an apocalyptic number.

274000247 is a deficient number, since it is larger than the sum of its proper divisors (1).

274000247 is an equidigital number, since it uses as much as digits as its factorization.

274000247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 274000247 is about 16552.9528181530. The cubic root of 274000247 is about 649.5067239792.

The spelling of 274000247 in words is "two hundred seventy-four million, two hundred forty-seven", and thus it is an aban number.