513761052 has 48 divisors (see below), whose sum is σ = 1371363840. Its totient is φ = 146645952.

The previous prime is 513761009. The next prime is 513761057. The reversal of 513761052 is 250167315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513761057) 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 in 15 ways as a sum of consecutive naturals, for example, 108478 + ... + 113114.

It is an arithmetic number, because the mean of its divisors is an integer number (28570080).

Almost surely, 2^513761052 is an apocalyptic number.

It is an amenable number.

513761052 is an abundant number, since it is smaller than the sum of its proper divisors (857602788).

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

513761052 is a wasteful number, since it uses less digits than its factorization.

513761052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970 (or 5968 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 513761052 is about 22666.2977126835. The cubic root of 513761052 is about 800.9161649850.

The spelling of 513761052 in words is "five hundred thirteen million, seven hundred sixty-one thousand, fifty-two".