520148411 has 4 divisors (see below), whose sum is σ = 536927424. Its totient is φ = 503369400.

The previous prime is 520148401. The next prime is 520148423. The reversal of 520148411 is 114841025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520148411 - 2¹⁰ = 520147387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520148401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8389460 + ... + 8389521.

It is an arithmetic number, because the mean of its divisors is an integer number (134231856).

Almost surely, 2^520148411 is an apocalyptic number.

520148411 is a deficient number, since it is larger than the sum of its proper divisors (16779013).

520148411 is a wasteful number, since it uses less digits than its factorization.

520148411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16779012.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 520148411 is about 22806.7623962719. The cubic root of 520148411 is about 804.2216469961.

Adding to 520148411 its reverse (114841025), we get a palindrome (634989436).

The spelling of 520148411 in words is "five hundred twenty million, one hundred forty-eight thousand, four hundred eleven".