274959947 has 2 divisors, whose sum is σ = 274959948. Its totient is φ = 274959946.

The previous prime is 274959941. The next prime is 274960003. The reversal of 274959947 is 749959472.

It is an a-pointer prime, because the next prime (274960003) can be obtained adding 274959947 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274959947 - 2¹⁰ = 274958923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274959892 and 274959901.

It is not a weakly prime, because it can be changed into another prime (274959941) 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, 137479973 + 137479974.

It is an arithmetic number, because the mean of its divisors is an integer number (137479974).

Almost surely, 2^274959947 is an apocalyptic number.

274959947 is a deficient number, since it is larger than the sum of its proper divisors (1).

274959947 is an equidigital number, since it uses as much as digits as its factorization.

274959947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 56.

The square root of 274959947 is about 16581.9162644129. The cubic root of 274959947 is about 650.2641506266.

The spelling of 274959947 in words is "two hundred seventy-four million, nine hundred fifty-nine thousand, nine hundred forty-seven".