516381249 has 8 divisors (see below), whose sum is σ = 691390080. Its totient is φ = 342813296.

The previous prime is 516381241. The next prime is 516381317. The reversal of 516381249 is 942183615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516381249 - 2³ = 516381241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516381241) 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, 359382 + ... + 360815.

It is an arithmetic number, because the mean of its divisors is an integer number (86423760).

Almost surely, 2^516381249 is an apocalyptic number.

It is an amenable number.

516381249 is a deficient number, since it is larger than the sum of its proper divisors (175008831).

516381249 is a wasteful number, since it uses less digits than its factorization.

516381249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720439.

The product of its digits is 51840, while the sum is 39.

The square root of 516381249 is about 22724.0236093875. The cubic root of 516381249 is about 802.2754224507.

The spelling of 516381249 in words is "five hundred sixteen million, three hundred eighty-one thousand, two hundred forty-nine".