275236069 has 4 divisors (see below), whose sum is σ = 291426444. Its totient is φ = 259045696.

The previous prime is 275236063. The next prime is 275236097. The reversal of 275236069 is 960632572.

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 160959969 + 114276100 = 12687^2 + 10690^2 .

It is a cyclic number.

It is not a de Polignac number, because 275236069 - 2⁵ = 275236037 is a prime.

It is a super-2 number, since 2×275236069² = 151509787357145522, 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (275236063) 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, 8095162 + ... + 8095195.

It is an arithmetic number, because the mean of its divisors is an integer number (72856611).

Almost surely, 2^275236069 is an apocalyptic number.

It is an amenable number.

275236069 is a deficient number, since it is larger than the sum of its proper divisors (16190375).

275236069 is a wasteful number, since it uses less digits than its factorization.

275236069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16190374.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 275236069 is about 16590.2401730656. The cubic root of 275236069 is about 650.4817485829.

The spelling of 275236069 in words is "two hundred seventy-five million, two hundred thirty-six thousand, sixty-nine".