318650049 has 6 divisors (see below), whose sum is σ = 460272306. Its totient is φ = 212433360.

The previous prime is 318650039. The next prime is 318650063. The reversal of 318650049 is 940056813.

318650049 is a `hidden beast` number, since 31 + 86 + 500 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 310006449 + 8643600 = 17607^2 + 2940^2 .

It is not a de Polignac number, because 318650049 - 2²¹ = 316552897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318649995 and 318650022.

It is not an unprimeable number, because it can be changed into a prime (318650009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17702772 + ... + 17702789.

It is an arithmetic number, because the mean of its divisors is an integer number (76712051).

Almost surely, 2^318650049 is an apocalyptic number.

It is an amenable number.

318650049 is a deficient number, since it is larger than the sum of its proper divisors (141622257).

318650049 is a wasteful number, since it uses less digits than its factorization.

318650049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35405567 (or 35405564 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 318650049 is about 17850.7716639926. The cubic root of 318650049 is about 683.0271964144.

It can be divided in two parts, 3186 and 50049, that added together give a palindrome (53235).

The spelling of 318650049 in words is "three hundred eighteen million, six hundred fifty thousand, forty-nine".