513030051 has 32 divisors (see below), whose sum is σ = 778705920. Its totient is φ = 333670752.

The previous prime is 513030047. The next prime is 513030053. The reversal of 513030051 is 150030315.

It is a happy number.

It is not a de Polignac number, because 513030051 - 2² = 513030047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513030053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663301 + ... + 664073.

It is an arithmetic number, because the mean of its divisors is an integer number (24334560).

Almost surely, 2^513030051 is an apocalyptic number.

513030051 is a deficient number, since it is larger than the sum of its proper divisors (265675869).

513030051 is a wasteful number, since it uses less digits than its factorization.

513030051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 513030051 is about 22650.1666881284. The cubic root of 513030051 is about 800.5361255273.

Adding to 513030051 its reverse (150030315), we get a palindrome (663060366).

The spelling of 513030051 in words is "five hundred thirteen million, thirty thousand, fifty-one".