520992146 has 8 divisors (see below), whose sum is σ = 781585200. Its totient is φ = 260463748.

The previous prime is 520992119. The next prime is 520992151. The reversal of 520992146 is 641299025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22085 + ... + 39111.

It is an arithmetic number, because the mean of its divisors is an integer number (97698150).

Almost surely, 2^520992146 is an apocalyptic number.

520992146 is a deficient number, since it is larger than the sum of its proper divisors (260593054).

520992146 is a wasteful number, since it uses less digits than its factorization.

520992146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32328.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 520992146 is about 22825.2523753846. The cubic root of 520992146 is about 804.6562558976.

It can be divided in two parts, 52099 and 2146, that added together give a palindrome (54245).

The spelling of 520992146 in words is "five hundred twenty million, nine hundred ninety-two thousand, one hundred forty-six".