520541822 has 48 divisors (see below), whose sum is σ = 874594800. Its totient is φ = 231436800.

The previous prime is 520541767. The next prime is 520541831. The reversal of 520541822 is 228145025.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1852322 + ... + 1852602.

It is an arithmetic number, because the mean of its divisors is an integer number (18220725).

Almost surely, 2^520541822 is an apocalyptic number.

520541822 is a deficient number, since it is larger than the sum of its proper divisors (354052978).

520541822 is a wasteful number, since it uses less digits than its factorization.

520541822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 520541822 is about 22815.3856421495. The cubic root of 520541822 is about 804.4243519054.

Adding to 520541822 its reverse (228145025), we get a palindrome (748686847).

The spelling of 520541822 in words is "five hundred twenty million, five hundred forty-one thousand, eight hundred twenty-two".