513112248 has 96 divisors (see below), whose sum is σ = 1564992000. Its totient is φ = 150465600.

The previous prime is 513112247. The next prime is 513112277. The reversal of 513112248 is 842211315.

It is a super-2 number, since 2×513112248² = 526568358095227008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513112247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14103 + ... + 35001.

It is an arithmetic number, because the mean of its divisors is an integer number (16302000).

Almost surely, 2^513112248 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 513112248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782496000).

513112248 is an abundant number, since it is smaller than the sum of its proper divisors (1051879752).

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

513112248 is a wasteful number, since it uses less digits than its factorization.

513112248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20953 (or 20946 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 513112248 is about 22651.9811054133. The cubic root of 513112248 is about 800.5788768593.

The spelling of 513112248 in words is "five hundred thirteen million, one hundred twelve thousand, two hundred forty-eight".