513038262 has 64 divisors (see below), whose sum is σ = 1139613696. Its totient is φ = 152681760.

The previous prime is 513038237. The next prime is 513038269. The reversal of 513038262 is 262830315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513038269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107843 + ... + 1108305.

It is an arithmetic number, because the mean of its divisors is an integer number (17806464).

Almost surely, 2^513038262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513038262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569806848).

513038262 is an abundant number, since it is smaller than the sum of its proper divisors (626575434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513038262 is a wasteful number, since it uses less digits than its factorization.

513038262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 513038262 is about 22650.3479443473. The cubic root of 513038262 is about 800.5403963409.

Adding to 513038262 its reverse (262830315), we get a palindrome (775868577).

The spelling of 513038262 in words is "five hundred thirteen million, thirty-eight thousand, two hundred sixty-two".