349057573 has 4 divisors (see below), whose sum is σ = 349252128. Its totient is φ = 348863020.

The previous prime is 349057561. The next prime is 349057589. The reversal of 349057573 is 375750943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 375750943 = 5897 ⋅63719.

It is a cyclic number.

It is not a de Polignac number, because 349057573 - 2⁹ = 349057061 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 (349007573) 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 3 ways as a sum of consecutive naturals, for example, 94561 + ... + 98182.

It is an arithmetic number, because the mean of its divisors is an integer number (87313032).

Almost surely, 2^349057573 is an apocalyptic number.

It is an amenable number.

349057573 is a deficient number, since it is larger than the sum of its proper divisors (194555).

349057573 is a wasteful number, since it uses less digits than its factorization.

349057573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194554.

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

The square root of 349057573 is about 18683.0825347425. The cubic root of 349057573 is about 704.0967746666.

The spelling of 349057573 in words is "three hundred forty-nine million, fifty-seven thousand, five hundred seventy-three".