275198913 has 12 divisors (see below), whose sum is σ = 433646928. Its totient is φ = 166787160.

The previous prime is 275198899. The next prime is 275198921. The reversal of 275198913 is 319891572.

It is not a de Polignac number, because 275198913 - 2⁶ = 275198849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275178913) 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 11 ways as a sum of consecutive naturals, for example, 1389795 + ... + 1389992.

It is an arithmetic number, because the mean of its divisors is an integer number (36137244).

Almost surely, 2^275198913 is an apocalyptic number.

It is an amenable number.

275198913 is a deficient number, since it is larger than the sum of its proper divisors (158448015).

275198913 is a wasteful number, since it uses less digits than its factorization.

275198913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779804 (or 2779801 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 275198913 is about 16589.1203202581. The cubic root of 275198913 is about 650.4524762718.

The spelling of 275198913 in words is "two hundred seventy-five million, one hundred ninety-eight thousand, nine hundred thirteen".