275625943 has 4 divisors (see below), whose sum is σ = 275784928. Its totient is φ = 275466960.

The previous prime is 275625851. The next prime is 275625949. The reversal of 275625943 is 349526572.

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

It is a cyclic number.

It is not a de Polignac number, because 275625943 - 2²¹ = 273528791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275625943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275625949) 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, 76863 + ... + 80368.

It is an arithmetic number, because the mean of its divisors is an integer number (68946232).

Almost surely, 2^275625943 is an apocalyptic number.

275625943 is a deficient number, since it is larger than the sum of its proper divisors (158985).

275625943 is a wasteful number, since it uses less digits than its factorization.

275625943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158984.

The product of its digits is 453600, while the sum is 43.

The square root of 275625943 is about 16601.9861161248. The cubic root of 275625943 is about 650.7887411359.

The spelling of 275625943 in words is "two hundred seventy-five million, six hundred twenty-five thousand, nine hundred forty-three".