274471997 has 2 divisors, whose sum is σ = 274471998. Its totient is φ = 274471996.

The previous prime is 274471993. The next prime is 274472017. The reversal of 274471997 is 799174472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213335236 + 61136761 = 14606^2 + 7819^2 .

It is a cyclic number.

It is not a de Polignac number, because 274471997 - 2² = 274471993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274471993) 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, 137235998 + 137235999.

It is an arithmetic number, because the mean of its divisors is an integer number (137235999).

Almost surely, 2^274471997 is an apocalyptic number.

It is an amenable number.

274471997 is a deficient number, since it is larger than the sum of its proper divisors (1).

274471997 is an equidigital number, since it uses as much as digits as its factorization.

274471997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 50.

The square root of 274471997 is about 16567.1964133948. The cubic root of 274471997 is about 649.8792651493.

The spelling of 274471997 in words is "two hundred seventy-four million, four hundred seventy-one thousand, nine hundred ninety-seven".