518253034 has 12 divisors (see below), whose sum is σ = 841778406. Its totient is φ = 239193552.

The previous prime is 518253023. The next prime is 518253059. The reversal of 518253034 is 430352815.

It can be written as a sum of positive squares in 3 ways, for example, as 140067225 + 378185809 = 11835^2 + 19447^2 .

It is a junction number, because it is equal to n+sod(n) for n = 518252987 and 518253005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 766309 + ... + 766984.

Almost surely, 2^518253034 is an apocalyptic number.

518253034 is a deficient number, since it is larger than the sum of its proper divisors (323525372).

518253034 is a wasteful number, since it uses less digits than its factorization.

518253034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533321 (or 1533308 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 518253034 is about 22765.1715126418. The cubic root of 518253034 is about 803.2436194337.

The spelling of 518253034 in words is "five hundred eighteen million, two hundred fifty-three thousand, thirty-four".