520742167 has 8 divisors (see below), whose sum is σ = 575274240. Its totient is φ = 467408760.

The previous prime is 520742141. The next prime is 520742171. The reversal of 520742167 is 761247025.

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 520742167 - 2⁷ = 520742039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520742197) 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, 298753 + ... + 300490.

It is an arithmetic number, because the mean of its divisors is an integer number (71909280).

Almost surely, 2^520742167 is an apocalyptic number.

520742167 is a deficient number, since it is larger than the sum of its proper divisors (54532073).

520742167 is a wasteful number, since it uses less digits than its factorization.

520742167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599333.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 520742167 is about 22819.7757876803. The cubic root of 520742167 is about 804.5275403643.

It can be divided in two parts, 5207 and 42167, that added together give a palindrome (47374).

The spelling of 520742167 in words is "five hundred twenty million, seven hundred forty-two thousand, one hundred sixty-seven".