515267072 has 40 divisors (see below), whose sum is σ = 1042641600. Its totient is φ = 254352384.

The previous prime is 515267021. The next prime is 515267083. The reversal of 515267072 is 270762515.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34079 + ... + 46817.

It is an arithmetic number, because the mean of its divisors is an integer number (26066040).

Almost surely, 2^515267072 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 515267072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521320800).

515267072 is an abundant number, since it is smaller than the sum of its proper divisors (527374528).

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

515267072 is an equidigital number, since it uses as much as digits as its factorization.

515267072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12836 (or 12820 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 515267072 is about 22699.4949723557. The cubic root of 515267072 is about 801.6979934729.

The spelling of 515267072 in words is "five hundred fifteen million, two hundred sixty-seven thousand, seventy-two".