517047248 has 40 divisors (see below), whose sum is σ = 1071697032. Its totient is φ = 240795648.

The previous prime is 517047239. The next prime is 517047253. The reversal of 517047248 is 842740715.

It can be written as a sum of positive squares in 4 ways, for example, as 100560784 + 416486464 = 10028^2 + 20408^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16586 + ... + 36182.

Almost surely, 2^517047248 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 517047248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535848516).

517047248 is an abundant number, since it is smaller than the sum of its proper divisors (554649784).

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

517047248 is a wasteful number, since it uses less digits than its factorization.

517047248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19719 (or 19713 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 517047248 is about 22738.6729603994. The cubic root of 517047248 is about 802.6201839262.

The spelling of 517047248 in words is "five hundred seventeen million, forty-seven thousand, two hundred forty-eight".