275198953 has 4 divisors (see below), whose sum is σ = 276596100. Its totient is φ = 273801808.

The previous prime is 275198921. The next prime is 275198969. The reversal of 275198953 is 359891572.

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 219128809 + 56070144 = 14803^2 + 7488^2 .

It is a cyclic number.

It is not a de Polignac number, because 275198953 - 2⁵ = 275198921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275198897 and 275198906.

It is not an unprimeable number, because it can be changed into a prime (275198353) 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, 698278 + ... + 698671.

It is an arithmetic number, because the mean of its divisors is an integer number (69149025).

Almost surely, 2^275198953 is an apocalyptic number.

It is an amenable number.

275198953 is a deficient number, since it is larger than the sum of its proper divisors (1397147).

275198953 is a wasteful number, since it uses less digits than its factorization.

275198953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397146.

The product of its digits is 680400, while the sum is 49.

The square root of 275198953 is about 16589.1215258675. The cubic root of 275198953 is about 650.4525077861.

The spelling of 275198953 in words is "two hundred seventy-five million, one hundred ninety-eight thousand, nine hundred fifty-three".