506045278 has 16 divisors (see below), whose sum is σ = 808002000. Its totient is φ = 237010752.

The previous prime is 506045251. The next prime is 506045279. The reversal of 506045278 is 872540605.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506045279) 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, 71433 + ... + 78196.

It is an arithmetic number, because the mean of its divisors is an integer number (50500125).

Almost surely, 2^506045278 is an apocalyptic number.

506045278 is a deficient number, since it is larger than the sum of its proper divisors (301956722).

506045278 is a wasteful number, since it uses less digits than its factorization.

506045278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149739.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 506045278 is about 22495.4501621995. The cubic root of 506045278 is about 796.8864805072.

The spelling of 506045278 in words is "five hundred six million, forty-five thousand, two hundred seventy-eight".