275932393 has 6 divisors (see below), whose sum is σ = 303297722. Its totient is φ = 250847520.

The previous prime is 275932387. The next prime is 275932409. The reversal of 275932393 is 393239572.

It can be written as a sum of positive squares in only one way, i.e., 253350889 + 22581504 = 15917^2 + 4752^2 .

It is a de Polignac number, because none of the positive numbers 2^k-275932393 is a prime.

It is a super-2 number, since 2×275932393² = 152277371013412898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275930393) 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 5 ways as a sum of consecutive naturals, for example, 1140096 + ... + 1140337.

Almost surely, 2^275932393 is an apocalyptic number.

It is an amenable number.

275932393 is a deficient number, since it is larger than the sum of its proper divisors (27365329).

275932393 is a wasteful number, since it uses less digits than its factorization.

275932393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280455 (or 2280444 counting only the distinct ones).

The product of its digits is 306180, while the sum is 43.

The square root of 275932393 is about 16611.2128696251. The cubic root of 275932393 is about 651.0298412548.

The spelling of 275932393 in words is "two hundred seventy-five million, nine hundred thirty-two thousand, three hundred ninety-three".