517117425 has 24 divisors (see below), whose sum is σ = 932693280. Its totient is φ = 250723200.

The previous prime is 517117409. The next prime is 517117429. The reversal of 517117425 is 524711715.

It is not a de Polignac number, because 517117425 - 2⁴ = 517117409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (517117429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312580 + ... + 314229.

It is an arithmetic number, because the mean of its divisors is an integer number (38862220).

Almost surely, 2^517117425 is an apocalyptic number.

517117425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

517117425 is a deficient number, since it is larger than the sum of its proper divisors (415575855).

517117425 is a wasteful number, since it uses less digits than its factorization.

517117425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626833 (or 626828 counting only the distinct ones).

The product of its digits is 9800, while the sum is 33.

The square root of 517117425 is about 22740.2160279976. The cubic root of 517117425 is about 802.6564945527.

The spelling of 517117425 in words is "five hundred seventeen million, one hundred seventeen thousand, four hundred twenty-five".