517635142 has 16 divisors (see below), whose sum is σ = 835607232. Its totient is φ = 239598720.

The previous prime is 517635133. The next prime is 517635169. The reversal of 517635142 is 241536715.

It is a super-2 number, since 2×517635142² = 535892280466720328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 517635098 and 517635107.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 122718 + ... + 126865.

It is an arithmetic number, because the mean of its divisors is an integer number (52225452).

Almost surely, 2^517635142 is an apocalyptic number.

517635142 is a deficient number, since it is larger than the sum of its proper divisors (317972090).

517635142 is a wasteful number, since it uses less digits than its factorization.

517635142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249663.

The product of its digits is 25200, while the sum is 34.

The square root of 517635142 is about 22751.5964714567. The cubic root of 517635142 is about 802.9242675913.

The spelling of 517635142 in words is "five hundred seventeen million, six hundred thirty-five thousand, one hundred forty-two".