517077442 has 16 divisors (see below), whose sum is σ = 910376640. Its totient is φ = 215615088.

The previous prime is 517077439. The next prime is 517077443. The reversal of 517077442 is 244770715.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (517077443) 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 7 ways as a sum of consecutive naturals, for example, 498592 + ... + 499627.

It is an arithmetic number, because the mean of its divisors is an integer number (56898540).

Almost surely, 2^517077442 is an apocalyptic number.

517077442 is a deficient number, since it is larger than the sum of its proper divisors (393299198).

517077442 is a wasteful number, since it uses less digits than its factorization.

517077442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998265.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 517077442 is about 22739.3368856702. The cubic root of 517077442 is about 802.6358071549.

The spelling of 517077442 in words is "five hundred seventeen million, seventy-seven thousand, four hundred forty-two".