515161248 has 48 divisors (see below), whose sum is σ = 1545485760. Its totient is φ = 147188736.

The previous prime is 515161247. The next prime is 515161253. The reversal of 515161248 is 842161515.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×515161248² = 530782222881835008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (515161247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382633 + ... + 383976.

It is an arithmetic number, because the mean of its divisors is an integer number (32197620).

Almost surely, 2^515161248 is an apocalyptic number.

It is an amenable number.

515161248 is an abundant number, since it is smaller than the sum of its proper divisors (1030324512).

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

515161248 is a wasteful number, since it uses less digits than its factorization.

515161248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766629 (or 766621 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The square root of 515161248 is about 22697.1638756916. The cubic root of 515161248 is about 801.6431062751.

The spelling of 515161248 in words is "five hundred fifteen million, one hundred sixty-one thousand, two hundred forty-eight".