513026516 has 6 divisors (see below), whose sum is σ = 897796410. Its totient is φ = 256513256.

The previous prime is 513026491. The next prime is 513026537. The reversal of 513026516 is 615620315.

It can be written as a sum of positive squares in only one way, i.e., 504002500 + 9024016 = 22450^2 + 3004^2 .

It is a super-2 number, since 2×513026516² = 526392412238196512, which contains 22 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, 64128311 + ... + 64128318.

It is an arithmetic number, because the mean of its divisors is an integer number (149632735).

Almost surely, 2^513026516 is an apocalyptic number.

It is an amenable number.

513026516 is a deficient number, since it is larger than the sum of its proper divisors (384769894).

513026516 is a wasteful number, since it uses less digits than its factorization.

513026516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128256633 (or 128256631 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 513026516 is about 22650.0886532481. The cubic root of 513026516 is about 800.5342868425.

The spelling of 513026516 in words is "five hundred thirteen million, twenty-six thousand, five hundred sixteen".