343975057 has 4 divisors (see below), whose sum is σ = 344229156. Its totient is φ = 343720960.

The previous prime is 343975043. The next prime is 343975067. The reversal of 343975057 is 750579343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750579343 = 743 ⋅1010201.

It can be written as a sum of positive squares in 2 ways, for example, as 33651601 + 310323456 = 5801^2 + 17616^2 .

It is a cyclic number.

It is not a de Polignac number, because 343975057 - 2¹⁹ = 343450769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343975007) 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, 125008 + ... + 127729.

It is an arithmetic number, because the mean of its divisors is an integer number (86057289).

Almost surely, 2^343975057 is an apocalyptic number.

It is an amenable number.

343975057 is a deficient number, since it is larger than the sum of its proper divisors (254099).

343975057 is a wasteful number, since it uses less digits than its factorization.

343975057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254098.

The product of its (nonzero) digits is 396900, while the sum is 43.

The square root of 343975057 is about 18546.5645605864. The cubic root of 343975057 is about 700.6626765405.

The spelling of 343975057 in words is "three hundred forty-three million, nine hundred seventy-five thousand, fifty-seven".