513017472 has 64 divisors (see below), whose sum is σ = 1486596960. Its totient is φ = 155458560.

The previous prime is 513017471. The next prime is 513017473. The reversal of 513017472 is 274710315.

It is an interprime number because it is at equal distance from previous prime (513017471) and next prime (513017473).

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (513017471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56503 + ... + 64950.

Almost surely, 2^513017472 is an apocalyptic number.

It is an amenable number.

513017472 is an abundant number, since it is smaller than the sum of its proper divisors (973579488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513017472 is a wasteful number, since it uses less digits than its factorization.

513017472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121481 (or 121469 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 513017472 is about 22649.8890063506. The cubic root of 513017472 is about 800.5295826837.

Adding to 513017472 its reverse (274710315), we get a palindrome (787727787).

The spelling of 513017472 in words is "five hundred thirteen million, seventeen thousand, four hundred seventy-two".