343503061 has 4 divisors (see below), whose sum is σ = 374730624. Its totient is φ = 312275500.

The previous prime is 343503011. The next prime is 343503077. The reversal of 343503061 is 160305343.

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: 160305343 = 11 ⋅14573213.

It is a cyclic number.

It is not a de Polignac number, because 343503061 - 2¹¹ = 343501013 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 (343503011) 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, 15613765 + ... + 15613786.

It is an arithmetic number, because the mean of its divisors is an integer number (93682656).

Almost surely, 2^343503061 is an apocalyptic number.

It is an amenable number.

343503061 is a deficient number, since it is larger than the sum of its proper divisors (31227563).

343503061 is a wasteful number, since it uses less digits than its factorization.

343503061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31227562.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 343503061 is about 18533.8355717320. The cubic root of 343503061 is about 700.3420511987.

The spelling of 343503061 in words is "three hundred forty-three million, five hundred three thousand, sixty-one".