511056343 has 8 divisors (see below), whose sum is σ = 609458688. Its totient is φ = 419002584.

The previous prime is 511056317. The next prime is 511056361. The reversal of 511056343 is 343650115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 511056343 - 2¹³ = 511048151 is a prime.

It is a super-2 number, since 2×511056343² = 522357171441067298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511056743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586971 + ... + 1587292.

It is an arithmetic number, because the mean of its divisors is an integer number (76182336).

Almost surely, 2^511056343 is an apocalyptic number.

511056343 is a deficient number, since it is larger than the sum of its proper divisors (98402345).

511056343 is a wasteful number, since it uses less digits than its factorization.

511056343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174293.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 511056343 is about 22606.5553103519. Note that the first 3 decimals coincide. The cubic root of 511056343 is about 799.5082097190.

The spelling of 511056343 in words is "five hundred eleven million, fifty-six thousand, three hundred forty-three".