517579242 has 16 divisors (see below), whose sum is σ = 1035910080. Its totient is φ = 172401152.

The previous prime is 517579241. The next prime is 517579253. The reversal of 517579242 is 242975715.

It is a junction number, because it is equal to n+sod(n) for n = 517579194 and 517579203.

It is not an unprimeable number, because it can be changed into a prime (517579241) 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, 22158 + ... + 39065.

It is an arithmetic number, because the mean of its divisors is an integer number (64744380).

Almost surely, 2^517579242 is an apocalyptic number.

517579242 is an abundant number, since it is smaller than the sum of its proper divisors (518330838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517579242 is a wasteful number, since it uses less digits than its factorization.

517579242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62637.

The product of its digits is 176400, while the sum is 42.

The square root of 517579242 is about 22750.3679530684. The cubic root of 517579242 is about 802.8953636532.

The spelling of 517579242 in words is "five hundred seventeen million, five hundred seventy-nine thousand, two hundred forty-two".