511542982 has 16 divisors (see below), whose sum is σ = 795866832. Its totient is φ = 246391200.

The previous prime is 511542973. The next prime is 511542989. The reversal of 511542982 is 289245115.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511542989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26748 + ... + 41695.

It is an arithmetic number, because the mean of its divisors is an integer number (49741677).

Almost surely, 2^511542982 is an apocalyptic number.

511542982 is a deficient number, since it is larger than the sum of its proper divisors (284323850).

511542982 is a wasteful number, since it uses less digits than its factorization.

511542982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68583.

The product of its digits is 28800, while the sum is 37.

The square root of 511542982 is about 22617.3159769235. The cubic root of 511542982 is about 799.7618989335.

The spelling of 511542982 in words is "five hundred eleven million, five hundred forty-two thousand, nine hundred eighty-two".