510731042 has 16 divisors (see below), whose sum is σ = 770357952. Its totient is φ = 253949520.

The previous prime is 510731041. The next prime is 510731047. The reversal of 510731042 is 240137015.

It is a junction number, because it is equal to n+sod(n) for n = 510730999 and 510731017.

It is not an unprimeable number, because it can be changed into a prime (510731041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399308 + ... + 400584.

It is an arithmetic number, because the mean of its divisors is an integer number (48147372).

Almost surely, 2^510731042 is an apocalyptic number.

510731042 is a deficient number, since it is larger than the sum of its proper divisors (259626910).

510731042 is a wasteful number, since it uses less digits than its factorization.

510731042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 510731042 is about 22599.3593272022. The cubic root of 510731042 is about 799.3385376101.

Adding to 510731042 its reverse (240137015), we get a palindrome (750868057).

The spelling of 510731042 in words is "five hundred ten million, seven hundred thirty-one thousand, forty-two".