275217097 has 4 divisors (see below), whose sum is σ = 291406356. Its totient is φ = 259027840.

The previous prime is 275217091. The next prime is 275217121. The reversal of 275217097 is 790712572.

It is a happy number.

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 158231241 + 116985856 = 12579^2 + 10816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275217097 is a prime.

It is a super-2 number, since 2×275217097² = 151488900962214818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275217091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8094604 + ... + 8094637.

It is an arithmetic number, because the mean of its divisors is an integer number (72851589).

Almost surely, 2^275217097 is an apocalyptic number.

It is an amenable number.

275217097 is a deficient number, since it is larger than the sum of its proper divisors (16189259).

275217097 is a wasteful number, since it uses less digits than its factorization.

275217097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16189258.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 275217097 is about 16589.6683812546. The cubic root of 275217097 is about 650.4668023547.

The spelling of 275217097 in words is "two hundred seventy-five million, two hundred seventeen thousand, ninety-seven".