275028993 has 16 divisors (see below), whose sum is σ = 420595200. Its totient is φ = 177437520.

The previous prime is 275028979. The next prime is 275028997. The reversal of 275028993 is 399820572.

It is not a de Polignac number, because 275028993 - 2⁵ = 275028961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275028997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163458 + ... + 165131.

It is an arithmetic number, because the mean of its divisors is an integer number (26287200).

Almost surely, 2^275028993 is an apocalyptic number.

It is an amenable number.

275028993 is a deficient number, since it is larger than the sum of its proper divisors (145566207).

275028993 is a wasteful number, since it uses less digits than its factorization.

275028993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328629 (or 328623 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 275028993 is about 16583.9981005788. The cubic root of 275028993 is about 650.3185759849.

The spelling of 275028993 in words is "two hundred seventy-five million, twenty-eight thousand, nine hundred ninety-three".