520416837 has 12 divisors (see below), whose sum is σ = 784396704. Its totient is φ = 331859880.

The previous prime is 520416833. The next prime is 520416847. The reversal of 520416837 is 738614025.

520416837 is a `hidden beast` number, since 520 + 41 + 68 + 37 = 666.

It is not a de Polignac number, because 520416837 - 2² = 520416833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520416833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1256839 + ... + 1257252.

It is an arithmetic number, because the mean of its divisors is an integer number (65366392).

Almost surely, 2^520416837 is an apocalyptic number.

It is an amenable number.

520416837 is a deficient number, since it is larger than the sum of its proper divisors (263979867).

520416837 is a wasteful number, since it uses less digits than its factorization.

520416837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514120 (or 2514117 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 520416837 is about 22812.6464269273. The cubic root of 520416837 is about 804.3599644913.

The spelling of 520416837 in words is "five hundred twenty million, four hundred sixteen thousand, eight hundred thirty-seven".