275620343 has 4 divisors (see below), whose sum is σ = 278149080. Its totient is φ = 273091608.

The previous prime is 275620291. The next prime is 275620351. The reversal of 275620343 is 343026572.

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 275620343 - 2¹⁰ = 275619319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275620393) 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, 1264205 + ... + 1264422.

It is an arithmetic number, because the mean of its divisors is an integer number (69537270).

Almost surely, 2^275620343 is an apocalyptic number.

275620343 is a deficient number, since it is larger than the sum of its proper divisors (2528737).

275620343 is a wasteful number, since it uses less digits than its factorization.

275620343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528736.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 275620343 is about 16601.8174607481. The cubic root of 275620343 is about 650.7843336630.

The spelling of 275620343 in words is "two hundred seventy-five million, six hundred twenty thousand, three hundred forty-three".