511981034 has 8 divisors (see below), whose sum is σ = 769167840. Its totient is φ = 255591756.

The previous prime is 511981033. The next prime is 511981097. The reversal of 511981034 is 430189115.

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

It is not an unprimeable number, because it can be changed into a prime (511981033) 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, 197774 + ... + 200345.

It is an arithmetic number, because the mean of its divisors is an integer number (96145980).

Almost surely, 2^511981034 is an apocalyptic number.

511981034 is a deficient number, since it is larger than the sum of its proper divisors (257186806).

511981034 is a wasteful number, since it uses less digits than its factorization.

511981034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398764.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 511981034 is about 22626.9979007380. The cubic root of 511981034 is about 799.9901217530.

The spelling of 511981034 in words is "five hundred eleven million, nine hundred eighty-one thousand, thirty-four".