513540004 has 12 divisors (see below), whose sum is σ = 929684700. Its totient is φ = 247915808.

The previous prime is 513539993. The next prime is 513540011. The reversal of 513540004 is 400045315.

It can be written as a sum of positive squares in 2 ways, for example, as 306180004 + 207360000 = 17498^2 + 14400^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213419 + ... + 2213650.

It is an arithmetic number, because the mean of its divisors is an integer number (77473725).

Almost surely, 2^513540004 is an apocalyptic number.

It is an amenable number.

513540004 is a deficient number, since it is larger than the sum of its proper divisors (416144696).

513540004 is a wasteful number, since it uses less digits than its factorization.

513540004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427102 (or 4427100 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 513540004 is about 22661.4210498812. The cubic root of 513540004 is about 800.8012825815.

Adding to 513540004 its reverse (400045315), we get a palindrome (913585319).

The spelling of 513540004 in words is "five hundred thirteen million, five hundred forty thousand, four".