275012069 has 4 divisors (see below), whose sum is σ = 276437196. Its totient is φ = 273586944.

The previous prime is 275012057. The next prime is 275012107. The reversal of 275012069 is 960210572.

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 163456225 + 111555844 = 12785^2 + 10562^2 .

It is a cyclic number.

It is not a de Polignac number, because 275012069 - 2⁴ = 275012053 is a prime.

It is a super-2 number, since 2×275012069² = 151263276191321522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275012869) 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 in 3 ways as a sum of consecutive naturals, for example, 712274 + ... + 712659.

It is an arithmetic number, because the mean of its divisors is an integer number (69109299).

Almost surely, 2^275012069 is an apocalyptic number.

It is an amenable number.

275012069 is a deficient number, since it is larger than the sum of its proper divisors (1425127).

275012069 is a wasteful number, since it uses less digits than its factorization.

275012069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425126.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 275012069 is about 16583.4878418263. The cubic root of 275012069 is about 650.3052365218.

The spelling of 275012069 in words is "two hundred seventy-five million, twelve thousand, sixty-nine".