512403042 has 16 divisors (see below), whose sum is σ = 1025418240. Its totient is φ = 170698992.

The previous prime is 512403041. The next prime is 512403043. The reversal of 512403042 is 240304215.

It is an interprime number because it is at equal distance from previous prime (512403041) and next prime (512403043).

It is not an unprimeable number, because it can be changed into a prime (512403041) 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, 14242 + ... + 35037.

It is an arithmetic number, because the mean of its divisors is an integer number (64088640).

Almost surely, 2^512403042 is an apocalyptic number.

512403042 is an abundant number, since it is smaller than the sum of its proper divisors (513015198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512403042 is a wasteful number, since it uses less digits than its factorization.

512403042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51017.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 512403042 is about 22636.3213000699. The cubic root of 512403042 is about 800.2098626506.

Adding to 512403042 its reverse (240304215), we get a palindrome (752707257).

The spelling of 512403042 in words is "five hundred twelve million, four hundred three thousand, forty-two".