515030042 has 16 divisors (see below), whose sum is σ = 791413632. Its totient is φ = 251259360.

The previous prime is 515030029. The next prime is 515030051. The reversal of 515030042 is 240030515.

It is a junction number, because it is equal to n+sod(n) for n = 515029996 and 515030023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22838 + ... + 39390.

It is an arithmetic number, because the mean of its divisors is an integer number (49463352).

Almost surely, 2^515030042 is an apocalyptic number.

515030042 is a deficient number, since it is larger than the sum of its proper divisors (276383590).

515030042 is a wasteful number, since it uses less digits than its factorization.

515030042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16933.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 515030042 is about 22694.2733305123. The cubic root of 515030042 is about 801.5750438859.

Adding to 515030042 its reverse (240030515), we get a palindrome (755060557).

The spelling of 515030042 in words is "five hundred fifteen million, thirty thousand, forty-two".