515920152 has 64 divisors (see below), whose sum is σ = 1413417600. Its totient is φ = 155632640.

The previous prime is 515920103. The next prime is 515920169. The reversal of 515920152 is 251029515.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55624 + ... + 64232.

It is an arithmetic number, because the mean of its divisors is an integer number (22084650).

Almost surely, 2^515920152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515920152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706708800).

515920152 is an abundant number, since it is smaller than the sum of its proper divisors (897497448).

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

515920152 is a wasteful number, since it uses less digits than its factorization.

515920152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8856 (or 8852 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 515920152 is about 22713.8757591037. The cubic root of 515920152 is about 802.0365569786.

Adding to 515920152 its reverse (251029515), we get a palindrome (766949667).

The spelling of 515920152 in words is "five hundred fifteen million, nine hundred twenty thousand, one hundred fifty-two".