520197874 has 64 divisors (see below), whose sum is σ = 945868032. Its totient is φ = 209952000.

The previous prime is 520197871. The next prime is 520197893. The reversal of 520197874 is 478791025.

It is a super-2 number, since 2×520197874² = 541211656228239752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520197874.

It is not an unprimeable number, because it can be changed into a prime (520197871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3191317 + ... + 3191479.

It is an arithmetic number, because the mean of its divisors is an integer number (14779188).

Almost surely, 2^520197874 is an apocalyptic number.

520197874 is a deficient number, since it is larger than the sum of its proper divisors (425670158).

520197874 is a wasteful number, since it uses less digits than its factorization.

520197874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 520197874 is about 22807.8467637785. The cubic root of 520197874 is about 804.2471384094.

The spelling of 520197874 in words is "five hundred twenty million, one hundred ninety-seven thousand, eight hundred seventy-four".