517148272 has 20 divisors (see below), whose sum is σ = 1025277880. Its totient is φ = 252560448.

The previous prime is 517148267. The next prime is 517148287. The reversal of 517148272 is 272841715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375147 + ... + 376522.

It is an arithmetic number, because the mean of its divisors is an integer number (51263894).

Almost surely, 2^517148272 is an apocalyptic number.

It is an amenable number.

517148272 is a deficient number, since it is larger than the sum of its proper divisors (508129608).

517148272 is a wasteful number, since it uses less digits than its factorization.

517148272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751720 (or 751714 counting only the distinct ones).

The product of its digits is 31360, while the sum is 37.

The square root of 517148272 is about 22740.8942656176. The cubic root of 517148272 is about 802.6724542113.

Adding to 517148272 its reverse (272841715), we get a palindrome (789989987).

The spelling of 517148272 in words is "five hundred seventeen million, one hundred forty-eight thousand, two hundred seventy-two".