511374673 has 8 divisors (see below), whose sum is σ = 524744136. Its totient is φ = 498048000.

The previous prime is 511374641. The next prime is 511374713. The reversal of 511374673 is 376473115.

It can be written as a sum of positive squares in 4 ways, for example, as 19998784 + 491375889 = 4472^2 + 22167^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 511374673 - 2⁵ = 511374641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511374473) 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, 14265 + ... + 35017.

It is an arithmetic number, because the mean of its divisors is an integer number (65593017).

Almost surely, 2^511374673 is an apocalyptic number.

It is an amenable number.

511374673 is a deficient number, since it is larger than the sum of its proper divisors (13369463).

511374673 is a wasteful number, since it uses less digits than its factorization.

511374673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21395.

The product of its digits is 52920, while the sum is 37.

The square root of 511374673 is about 22613.5948712274. The cubic root of 511374673 is about 799.6741761707.

The spelling of 511374673 in words is "five hundred eleven million, three hundred seventy-four thousand, six hundred seventy-three".