513652 has 6 divisors (see below), whose sum is σ = 898898. Its totient is φ = 256824.

The previous prime is 513649. The next prime is 513673. The reversal of 513652 is 256315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 467856 + 45796 = 684^2 + 214^2 .

It is a super-3 number, since 3×513652³ = 406563330228671424, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64203 + ... + 64210.

2⁵¹³⁶⁵² is an apocalyptic number.

It is an amenable number.

513652 is a deficient number, since it is larger than the sum of its proper divisors (385246).

513652 is a wasteful number, since it uses less digits than its factorization.

513652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128417 (or 128415 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 513652 is about 716.6951932307. The cubic root of 513652 is about 80.0859492926.

Adding to 513652 its reverse (256315), we get a palindrome (769967).

The spelling of 513652 in words is "five hundred thirteen thousand, six hundred fifty-two".