336521313 has 24 divisors (see below), whose sum is σ = 497454048. Its totient is φ = 219160512.

The previous prime is 336521299. The next prime is 336521329. The reversal of 336521313 is 313125633.

It is a happy number.

336521313 is a `hidden beast` number, since 3 + 3 + 652 + 1 + 3 + 1 + 3 = 666.

It is not a de Polignac number, because 336521313 - 2⁵ = 336521281 is a prime.

It is a super-2 number, since 2×336521313² = 226493188206487938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (336521413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67906 + ... + 72692.

It is an arithmetic number, because the mean of its divisors is an integer number (20727252).

Almost surely, 2^336521313 is an apocalyptic number.

It is an amenable number.

336521313 is a deficient number, since it is larger than the sum of its proper divisors (160932735).

336521313 is a wasteful number, since it uses less digits than its factorization.

336521313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973 (or 4970 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 336521313 is about 18344.5172463055. The cubic root of 336521313 is about 695.5646864202.

Adding to 336521313 its reverse (313125633), we get a palindrome (649646946).

The spelling of 336521313 in words is "three hundred thirty-six million, five hundred twenty-one thousand, three hundred thirteen".