513701472 has 48 divisors (see below), whose sum is σ = 1367476992. Its totient is φ = 168819840.

The previous prime is 513701467. The next prime is 513701473. The reversal of 513701472 is 274107315.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513701473) 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, 30868 + ... + 44499.

It is an arithmetic number, because the mean of its divisors is an integer number (28489104).

Almost surely, 2^513701472 is an apocalyptic number.

It is an amenable number.

513701472 is an abundant number, since it is smaller than the sum of its proper divisors (853775520).

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

513701472 is a wasteful number, since it uses less digits than its factorization.

513701472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75451 (or 75443 counting only the distinct ones).

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

The square root of 513701472 is about 22664.9833884784. The cubic root of 513701472 is about 800.8852034905.

Adding to 513701472 its reverse (274107315), we get a palindrome (787808787).

The spelling of 513701472 in words is "five hundred thirteen million, seven hundred one thousand, four hundred seventy-two".