513337252 has 6 divisors (see below), whose sum is σ = 898340198. Its totient is φ = 256668624.

The previous prime is 513337249. The next prime is 513337259. The reversal of 513337252 is 252733315.

It can be written as a sum of positive squares in only one way, i.e., 387538596 + 125798656 = 19686^2 + 11216^2 .

It is not an unprimeable number, because it can be changed into a prime (513337259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64167153 + ... + 64167160.

Almost surely, 2^513337252 is an apocalyptic number.

It is an amenable number.

513337252 is a deficient number, since it is larger than the sum of its proper divisors (385002946).

513337252 is a wasteful number, since it uses less digits than its factorization.

513337252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128334317 (or 128334315 counting only the distinct ones).

The product of its digits is 18900, while the sum is 31.

The square root of 513337252 is about 22656.9471023790. The cubic root of 513337252 is about 800.6958799301.

It can be divided in two parts, 51333 and 7252, that added together give a palindrome (58585).

The spelling of 513337252 in words is "five hundred thirteen million, three hundred thirty-seven thousand, two hundred fifty-two".