275808097 has 4 divisors (see below), whose sum is σ = 276021396. Its totient is φ = 275594800.

The previous prime is 275808061. The next prime is 275808103. The reversal of 275808097 is 790808572.

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 14145121 + 261662976 = 3761^2 + 16176^2 .

It is a cyclic number.

It is not a de Polignac number, because 275808097 - 2⁷ = 275807969 is a prime.

It is a super-2 number, since 2×275808097² = 152140212741522818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275805097) 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, 104698 + ... + 107299.

It is an arithmetic number, because the mean of its divisors is an integer number (69005349).

Almost surely, 2^275808097 is an apocalyptic number.

It is an amenable number.

275808097 is a deficient number, since it is larger than the sum of its proper divisors (213299).

275808097 is a wasteful number, since it uses less digits than its factorization.

275808097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213298.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 275808097 is about 16607.4711199508. The cubic root of 275808097 is about 650.9320726701.

The spelling of 275808097 in words is "two hundred seventy-five million, eight hundred eight thousand, ninety-seven".