343275551 has 4 divisors (see below), whose sum is σ = 344372592. Its totient is φ = 342178512.

The previous prime is 343275533. The next prime is 343275563. The reversal of 343275551 is 155572343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155572343 = 337 ⋅461639.

It is a cyclic number.

It is not a de Polignac number, because 343275551 - 2¹⁰ = 343274527 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 (343275571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548051 + ... + 548676.

It is an arithmetic number, because the mean of its divisors is an integer number (86093148).

Almost surely, 2^343275551 is an apocalyptic number.

343275551 is a deficient number, since it is larger than the sum of its proper divisors (1097041).

343275551 is a wasteful number, since it uses less digits than its factorization.

343275551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097040.

The product of its digits is 63000, while the sum is 35.

The square root of 343275551 is about 18527.6968617257. The cubic root of 343275551 is about 700.1873994860.

The spelling of 343275551 in words is "three hundred forty-three million, two hundred seventy-five thousand, five hundred fifty-one".