513330452 has 24 divisors (see below), whose sum is σ = 935265576. Its totient is φ = 246302208.

The previous prime is 513330449. The next prime is 513330469. The reversal of 513330452 is 254033315.

It can be written as a sum of positive squares in 4 ways, for example, as 121132036 + 392198416 = 11006^2 + 19804^2 .

It is a super-3 number, since 3×513330452³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12953 + ... + 34560.

It is an arithmetic number, because the mean of its divisors is an integer number (38969399).

Almost surely, 2^513330452 is an apocalyptic number.

It is an amenable number.

513330452 is a deficient number, since it is larger than the sum of its proper divisors (421935124).

513330452 is a wasteful number, since it uses less digits than its factorization.

513330452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47627 (or 47625 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 513330452 is about 22656.7970375338. The cubic root of 513330452 is about 800.6923444012.

Adding to 513330452 its reverse (254033315), we get a palindrome (767363767).

The spelling of 513330452 in words is "five hundred thirteen million, three hundred thirty thousand, four hundred fifty-two".