513253082 has 4 divisors (see below), whose sum is σ = 769879626. Its totient is φ = 256626540.

The previous prime is 513253067. The next prime is 513253087. The reversal of 513253082 is 280352315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 500372161 + 12880921 = 22369^2 + 3589^2 .

It is not an unprimeable number, because it can be changed into a prime (513253087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128313269 + ... + 128313272.

Almost surely, 2^513253082 is an apocalyptic number.

513253082 is a deficient number, since it is larger than the sum of its proper divisors (256626544).

513253082 is a wasteful number, since it uses less digits than its factorization.

513253082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256626543.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 513253082 is about 22655.0895385562. The cubic root of 513253082 is about 800.6521151628.

The spelling of 513253082 in words is "five hundred thirteen million, two hundred fifty-three thousand, eighty-two".