274502005 has 4 divisors (see below), whose sum is σ = 329402412. Its totient is φ = 219601600.

The previous prime is 274501979. The next prime is 274502027. The reversal of 274502005 is 500205472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152819044 + 121682961 = 12362^2 + 11031^2 .

It is a de Polignac number, because none of the positive numbers 2^k-274502005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 27450196 + ... + 27450205.

It is an arithmetic number, because the mean of its divisors is an integer number (82350603).

Almost surely, 2^274502005 is an apocalyptic number.

It is an amenable number.

274502005 is a deficient number, since it is larger than the sum of its proper divisors (54900407).

274502005 is an equidigital number, since it uses as much as digits as its factorization.

274502005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54900406.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 274502005 is about 16568.1020337273. The cubic root of 274502005 is about 649.9029480345.

Adding to 274502005 its reverse (500205472), we get a palindrome (774707477).

The spelling of 274502005 in words is "two hundred seventy-four million, five hundred two thousand, five".